The Motions of the Earth and the effect of Sidereal, Solar and Synodic Time Periods

There are 3 kinds of motion associated with the Earth namely which are:
- Rotation
- Revolution
- Precession

It is to be noted that the Earth rotates around it's own axis constantly along with also revolving around the Sun. There is also a third motion which happens very minutely that is known as procession. The Earth wobbles around it's axis which tilts it's relative position to the background stars by approximately 50 seconds a year. This effect of the wobble causes the earth to shift about 1 degree in a span of 72 years (1 degree = 3600 seconds divided by 50 seconds wobble). Applying some mathematics, we can infer that the Earth's axis gets shifted by 180 degrees in 12960 years (72 years for 1 degree multiplied by 180) and to return back to it's original position of 360 degrees takes roughly 25920 years (72 years for 1 degree multiplied by 360). 

This wobbling effect though very minor in nature since it is only barely 50 seconds for a year is not considered within the parlance of Tropical Zodiac and that is the whole reason why sun sign dates differs between the Indian and Western system. The Indian Vedic system adopts the Sidereal Zodiac that takes into account the Wobble effect whereas the Western system takes only the Tropical Zodiac not factoring the Wobbling impact of the Earth. The debate is however endless with respect to the time period in which the wobbling effect started to take place which gives rise to the phenomenon called 'Ayanamsa' which is defined as the angle by which the sidereal ecliptic of a celestial body is less than its tropical ecliptic longitude.

The consensus currently is that Earth has shifted around 24 degrees from its initial position and that is the reason why we see about 24 days difference between the two zodiacs. For instance, the common belief is that the Sun enters the sign of Sagittarius around 22nd of November but the month of Margazhi which is Sun's movement into the sign of Dhanus or Sagittarius occurs only around 16th December as per the almanacs published. The difference will only expand as time keeps travelling but the thing to be noted is that the dates of the Tropical Zodiac will remain more or less constant whereas it's only the dates in the Sidereal Zodiac that will undergo a change of roughly about a day once in every 72 years.

Another important point to keep track is the time taken by the Earth to revolve around the Sun. We know that one year constitutes of 365 days and a leap year is added once every 4 years to make the tally as 366 days. This is because the Earth takes about 365.2422 days to traverse 360 degrees around the Sun. This extra quarter of 0.25 over and above 365 days is added as an extra day once every 4 years (0.25*4 = 1 day) to bridge for this gap. For all practical purposes, a year cannot consist of days in decimals and hence a conventional year is accounted only as 365 days with a leap year of 366 days thrown in once every 4 years. Also it can be noted that Earth revolves about a degree a day around the Sun (365 days for 360 degrees) with the average mean motion of the Earth around the Sun being accounted for about 59 Min 8 seconds in a day.

Lets take a look at some important terminologies with respect to Earth's motion:

Sidereal Day: A Sidereal Day is the time taken by Earth to rotate around it's axis with respect to the stars. This takes about 23 hours 56 minutes and 4.09 seconds.
Sidereal Day = 23 Hours, 56 Minutes, 4.09 Seconds or 0.997270 Days

Solar Day or Tropical Day: A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. We know a day consists of 24 hours with the time taken by Earth to rotate around it's axis being 23 hours, 56 minutes and 4 seconds. We also know that the Earth revolves around the Sun. To complete a solar day, Earth must rotate an additional portion equal to 1/365 of a full turn. The time required for this extra rotation is 1/365 of a day is approximately close to about 4 minutes. Thus a Solar Day is recorded as 24 hours.
Solar Day = 24 Hours or 1 Day

Synodic Day or Lunar Day: This basically equates to a 'Tithi' within an Indian parlance and denotes the angular distance formed between the Sun and Moon. The Earth revolves around the Sun and the Moon traverses across the Earth's orbit. Since the motions of the Sun and Moon are always varying in speed, the length of a tithi constantly changes and can alternate between 19 hours to 26 hours. However the mean length considered is 24 hours based on the solar time.
Synodic Day = 24 Hours or 1 Day

Sidereal Month: A Sidereal month is the time needed for the Moon to return to the same place against the background of the stars. The Moon revolves around the Earth and takes approximately a little over 27 days to return back to it's orbit. The average daily motion of the moon is said to be about 13 degrees 10 minutes and 35 seconds and to transgress 360 degrees around the Earth is said to take about 27.32 days (360 degrees divided by 13 degrees, 10 minutes and 35 seconds). In Vedic Astrology, the constellations are divided into 27 types of Stars or Nakshatras with each having a time span of 13 degrees 20 minutes. Thus it could be configured that on an average, a Nakshatra span lasts a little over one day considering the daily mean motion of Moon is 13°10'35'' whereas time duration associated with a Nakshatra happens to be 13° 20''.
Sidereal Month = 27 Days, 7 Hours, 43 Minutes, 11.5 Seconds or 27.321661 Days

Solar Month: A solar month is derived based on a Calendar year which consists of 365 days and a leap year added once every 4 years making it 366 days. We know there are 12 months in a year and dividing it by 365 or 366 results in about 30.5 days per month. However for practical purposes we do not normally round the days in a month and the standard days in a month is taken as 30. However some of the months do also have 31 days with February having the least with 28 in normal years and 29 during a leap year.
Solar Month = 30 Days

Synodic or Lunar Month: A Lunar month is considered to be the time period between one full moon to another full moon or one new moon to another new moon. This is based on the relative reference of the Sun and Moon with Earth being the binding factor. Taking the Sun and Moon to be in the exact same position, we already know that a Sidereal month takes approximate 27.32 days. By the time the Moon takes this time to make one path on the Earth's orbit, the Earth would have motioned around 27 degrees towards the Sun. (Since Earth's motion around the Sun is about a degree a day or more precisely 59 min 8 seconds per day). While the Moon is orbiting Earth, the Earth is progressing in its orbit around Sun. After completing a sidereal month, the Moon must move a little further to catch up with the new position having the same angular distance from the Sun. Therefore, a Lunar month takes about 2.2 days longer than a sidereal month making a Lunar Month approx 29 and a half days in length.
Synodic Month = 29 Days 12 Hours 44 Minutes 2.9 Seconds or 29.530589 Days

Sidereal Year: A Sidereal Year is the time that Earth takes to orbit the Sun and return to the same position in relation to the background of the stars. It takes into account the precession caused by the wobbling of the earth and hence it takes about 20 minutes longer than a Tropical year which does not factor into account the effect of precession.
Sidereal Year = 365 Days, 6 Hours, 9 Minutes, 9.5 Seconds or 365.256364 Days

Solar Year or Tropical Year: A Solar Year or Tropical Year which is also known as the Year of the Seasons is the time it takes the Earth to complete a full orbit around the Sun. However while deriving the measure of a Tropical year, the axial tilt of the earth caused due to it's wobbling nature is not considered into account making it slightly shorter in duration than a Sidereal Year.
Solar Year = 365 Days, 5 Hours, 48 Minutes, 46.43 Seconds or 365.242189 Days

Synodic or Lunar Year: A Synodic or Lunar Year is based on the monthly phases of the Moon's cycle which constitutes the relationship based upon the angular distance between Sun and Moon. We have seen that a Lunar month lasts about 29 and a half days and hence to cover 12 cycles will take on an average of about 10-11 days less than a calendar year of 365 days. The number of Lunar months in a Solar Year is said to be about 12.36827.
Synodic Year = 354 Days, 8 Hours, 48 Minutes, 34 Seconds or 354.367060 Days  

Based on the motions of the Earth, the following can also be summarized briefly:
Rotation of the Earth causes the Day and Night Phenomena
The Earth rotates from West to East and one side of the Earth faces the Sun causing day light and the other side gets obscured from the rays of the Sun causing darkness. The Rotation of the Earth also determines the Ascendant in a Horoscope which is the point on the eastern horizon when an individual takes birth. The Ascendant has a direct correlation with the Sun. The Sun rises in the East which dawns a new beginning. In the default Kalapurusha chart, the first sign Aries which also happens to be the exalted sign for Sun is said to denote the Eastern direction. Also the Sages have attributed Sun to be the significator for the first house of birth manifestation.

Revolution of the Earth causes Seasons
As the earth rotates on its axis producing day and night, it also moves about the sun in an elliptical orbit that requires about 365 1/4 days to complete. The earth's axis is tilted with respect to its orbital plane which is what causes the seasons. When the earth's axis points towards the sun, it is summer for that hemisphere. When the earth's axis points away, winter can be expected. Since the tilt of the axis is 23 1/2 degrees, the North Pole never points directly at the Sun, but on the summer solstice it points as close as it can, and on the winter solstice as far as it can. Midway between these two times, in spring and autumn, the spin axis of the earth points 90 degrees away from the sun. This means that during this period, day and night have more or less about the same length of 12 hours.
                           

-> Summer Solstice : Jun 20-22 - Sun reaches it's northern most point when North Pole tilts closest to the Sun - Northern Hemisphere experiences longer days & shorter nights - Southern Hemisphere experiences shorter days & longer nights

-> Winter Solstice : Dec 21-22 - Sun reaches it's southern most point when South Pole tilts closest to the Sun - Northern Hemisphere experiences shorter days & longer nights - Southern Hemisphere experiences longer days & shorter nights

-> Vernal or Spring Equinox : Mar 20-21 - Sun moves northward across the celestial equator with the North Pole starting to tilt towards the Sun indicating climate starting to get hotter in the Northern Hemisphere. Northern Hemisphere experiences Spring with days & nights being equal - Southern Hemisphere experiences Autumn with days & nights being equal.

-> Autumn Equinox : Sep 22-23 - Sun moves southward across the celestial equator with the South Pole starting to tilt towards the Sun indicating climate to start getting hotter in the Southern Hemisphere. Northern Hemisphere experiences Autumn with days & nights being equal - Southern Hemisphere experiences Spring with days & nights being equal.

Note: Autumn always comes after summer season and spring follows winter season. In autumn, the temperature gradually decreases and in spring the temperature starts increasing. The Autumnal Equinox is related to the autumn season and the term vernal equinox is related to the spring season

Additionally, it would also be a subject matter of interest to know about the concepts of Perihelion and Aphelion. Perihelion or Periapsis occurs when Earth moves closest to the Sun which takes place around 1st week of January every year whereas Aphelion or Apoapsis is when Earth moves furthest away from the Sun and this takes place around the first week of July every year.
                               

Precession of the Earth causes Ayanamsa or Precision of Equinoxes
As the Earth wobbles around it's axis, it leads to an axial tilt creating the effect of Ayanamsa which leads to the formation of Sidereal Zodiac based upon the backdrop of the stars as opposed to the Tropical Zodiac which causes seasons and does not factor the wobbling effect into it's equation.

The Planetary Cabinet - Nava Nayaka of Samvatsara

As per the Hindu calendar, a time cycle consists of 60 years (Samvatsara) and each of the Samvatsara's are associated with a specific name and the cycle keeps repeating every 60 years. The Samvatsara's by themselves are again divided into groups of 3 consisting of 20 Samvatsara's each with the trinity of Brahma (1 to 20), Vishnu (21 to 40) and Shiva (41 to 60) ruling a period of 20 years amidst these 60 years. The current time cycle beginning with Prabhava Samvatsara started in 1987-88 and will be completed with Akshaya Samvatsara in 2046-47 after which the cycle will once again reflect with Prabhava. The current operational year of 2023-24 happens to be the 37th and is titled 'Shobakrithu'.

The cycle of 60 is obtained from the relative positions of the two furthest planets in the sky as per Vedic Astrology namely Jupiter and Saturn which signify Dharma and Karma respectively. The orbital time taken by Jupiter to traverse the zodiac is approximately 12 years (1 year in each zodiac sign) and that of Saturn is 30 years (2.5 years in each zodiac sign). The least common multiple of 12 and 30 happens to be 60 and hence a time cycle consists of 60 years. It is also roughly the period in which both these planets will cross each other's part and hence the special significance with the number 60.

As per the Panchang, each year begins with the predictions of Sage 'Idaikadar' who delineates about what to expect in a particular year in the form of a verse. Some years from the Sanskrit names itself can be deduced to be good and certain years connote to be inauspicious for the world in general. For Sobhakritu year it is termed as a 'Mangalam' year that denotes prosperity and auspicious happenings taking place in general.

There is however some dissonance with respect to when exactly a year begins. As per the Lunar calendar which is largely adopted amongst Telugu and Kannada speaking population, it occurs during 'Yugadi' which takes place with the rise of Shukla Paksha Pratipada (Pratamai/Padyami) in Chaitra Masa. This normally takes place somewhere between the middle of March and April. However as per the Solar calendar which is mostly followed by Tamil and Malayalam speaking states, a year begins only with the ingress of Sun into the sign of Aries or Mesha Rasi known as 'Chithirai' ushering in the festival of Puthandu / Vishu which normally happens around 13/14/15th of April.

Speaking about the Panchang, there is an important concept called 'Nava Nayaka' which plays a vital role in determining various constituents and giving a breakdown on what to expect with respect to few important portfolios. Like how in politics we see different portfolios being occupied by ministerial candidates, in a similar vein we see different planets taking control of certain positions at the beginning of every Hindu year. The different portfolios which arise every year at the beginning of a Samvatsara happen to be:

- Raja : King (Overall Control)

- Mantri : Minister (Administration)

- Senadipati : Commander in Chief (Law and Order, Defence)

- Arghyadipati : Water (Water Levels, Prices of products, Finances)

- Meghadipati : Clouds (Rainfall, Kind of Weather)

- Sasyadipati : Agriculture (Agricultural Products, Underground Produce)

- Dhanyadipati : Grains (Food crops, Cereals)

- Rasadipati : Commodities (Essential Spices, Medicinal Drugs)

- Neerasadipati : Non Commodities (Metals, Gemstones) 

The Raja is the top most person in the cabinet and most sought after leading the reigns. The Mantri is the next most important and adviser to the King in matters of general public health and lifestyle. The Senadipati is the leader of the army and able folly to the King with regard to law and weapons. Arghyadipati deals largely with the state of water levels but also controls the finance side of things such as the pricing of Agricultural produce. Meghadipati takes the portfolio of ascertaining the weather and estimating the amount of rainfalls expected to be prevalent. Sasyadipati details the prediction of the growth of crops and Dhanyadipathi is all about the production of grains. Rasadipati tackles the essential commodities sector and Neerasadipati manages metal produce including jewellery and precious stones.

The Nava Nayaka calculation occurs largely based on the position of Sun but the rulers of the respective 9 positions can be any of the 7 planets sans the nodes Rahu & Ketu. It is generally believed that natural malefic planets getting majority of the portfolios indicates administration being tough and strict during that particular year whereas presence of more beneficial planets ruling the reigns can designate more well being. The Nava Nayaka for all the 9 portfolios are calculated as below:

Raja:
Basis - Day of Tithi (Relationship between Sun and Moon based on angular distance)
Specific - Day Lord of Shukla Paksha Pratipada in Chaitra month

Mantri:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Aries (Mesha Rasi)

Senadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Leo (Simha Rasi)

Arghyadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Gemini (Mithuna Rasi)

Meghadipati:
Basis - Day of Sun's entry in Nakshatra
Specific - Day Lord of Sun's entry in Arudra Nakshatra (Tiruvadirai)

Sasyadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Cancer (Karka Rasi)

Dhanyadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Sagittarius (Dhanus Rasi)

Rasadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Libra (Thula Rasi)

Neerasadipati:
Basis - Day of Sun's entry in zodiac sign
Specific - Day Lord of Sun's entry in Capricorn (Makara Rasi)

Thus in 7 of the 9 cases, Nava Nayaka is determined based on the day of Sun's entry into different zodiacs namely Aries, Gemini, Cancer, Leo, Libra, Sagittarius and Capricorn. For determining the 'Raja' it is based on the first Tithi of the brighter half that takes place when Sun is placed in Pisces Rasi and for obtaining 'Meghadipathi', it is the day when Sun enters Arudra Nakshatra.

There is also a concept of Pashunayaka which arises based on the planet that takes the reigns of the Raja position. Pashunayaka is decoded based on the following:
If Raja is Sun or Mars - Pashunayaka will be Yama
If Raja is Moon, Jupiter or Venus - Pashunayaka will be Sri Krishna
If Raja is Mercury or Saturn - Pashunayaka will be Balarama

Let's go about computing the Nava Nakaya planets of all the 9 portfolios for the current Samvatsara in operation which happens to be Shobakritu.

Raja:
Calculation: Day Lord of Shukla Paksha Pratipada Tithi during Sunrise in Chaitra month
Outcome: The Sun and Moon conjunct in Meena Rasi (Pisces) forming Shukla Paksha Pratipada Tithi which takes place on 21st March 2023 at 22:54 hours. This happens to be on a Tuesday. However since sunrise is not prevalent, we need to consider the day this Tithi occurs when sunrise is present which happens to be Wednesday, 22nd March 2023. Hence the Raja for the year is 'Mercury'
Result: Raja = Mercury

Mantri:
Calculation: Day Lord of Sun's entry in Aries (Mesha Rasi)
Outcome: The Sun transits into Mesha Rasi on 14th April 2023 at 14:27 hours. This happens to be a Friday. Day Lord for Friday is Venus. Hence Mantri for the year is Venus
Result: Mantri = Venus

Senadipati:
Calculation: Day Lord of Sun's entry in Leo (Simha Rasi)
Outcome: The Sun transits into Simha Rasi on 17th August 2023 at 13:01 hours. This happens to be a Thursday. Day Lord for Thursday is Jupiter. Hence Senadipati for the year is Jupiter
Result: Senadipati = Jupiter

Arghyadipati:
Calculation: Day Lord of Sun's entry in Gemini (Mithuna Rasi)
Outcome: The Sun transits into Mithuna Rasi on 15th June 2023 at 17:44 hours. This happens to be a Thursday. Day Lord for Thursday is Jupiter. Hence Arghyadipati for the year is Jupiter
Result: Arghyadipati = Jupiter

Meghadipati:
Calculation: Day Lord of Sun's entry in Arudra Nakshatra (Tiruvadirai)
Outcome: The Sun transits into Arudra Nakshatra on 22nd June 2023 at 17:17 hours. This happens to be a Thursday. Day Lord for Thursday is Jupiter. Hence Meghadipati for the year is Jupiter
Result: Meghadipati = Jupiter

Sasyadipati:
Calculation: Day Lord of Sun's entry in Cancer (Kataka Rasi)
Outcome: The Sun transits into Kataka Rasi on 17th July 2023 at 04:35 hours. This happens to be a Monday as per English Day but Sunday as per the Vedic Calendar since a Hindu Day begins from sunrise and ends during the next day Sunrise. However since the day is almost over, only Monday is considered for this portfolio with sunrise being prevalent. Day Lord for Monday is Moon. Hence Sasyadipati for the year is Moon
Result: Sasyadipati = Moon

Dhanyadipati:
Calculation: Day Lord of Sun's entry in Sagittarius (Dhanus Rasi)
Outcome: The Sun transits into Dhanus Rasi on 16th December 2023 at 15:28 hours. This happens to be a Saturday. Day Lord for Saturday is Saturn. Hence Dhanyadipati for the year is Saturn
Result: Dhanyadipati = Saturn

Rasadipati:
Calculation: Day Lord of Sun's entry in Libra (Thula Rasi)
Outcome: The Sun transits into Thula Rasi on 18th October 2023 at 00:59 hours. This happens to be a Tuesday as per English Day but Wednesday as per the Vedic Calendar since a Hindu Day begins from sunrise and ends during the next day Sunrise. However since the day is almost over, only Wednesday is considered for this portfolio with sunrise being prevalent. Day Lord for Wednesday is Mercury. Hence Rasadipati for the year is Mercury
Result: Rasadipati = Mercury

Neerasadipati:
Calculation: Day Lord of Sun's entry in Capricorn (Makara Rasi)
Outcome: The Sun transits into Makara Rasi on Saturday, 15th January 2024 at 02:13 hours. This happens to be a Monday as per English Day but Sunday as per the Vedic Calendar since a Hindu Day begins from sunrise and ends during the next day Sunrise. However since the day is almost over, only Monday is considered for this portfolio with sunrise being prevalent. Day Lord for Monday is Moon. Hence Neerasadipati for the year is Moon
Result: Neerasadipati = Moon

Note:
It is important to note that a Vedic Day begins only from Sunrise as opposed to a standard English Calendar day which starts at 12AM. Generally the mean sunrise adopted is 6AM as that is considered to be the approximate standard time in which Sun rises within most places in India. Thus, it can be roughly assimilated that 6AM is Sunrise time and 6PM is Sunset time. While calculating Navanayaka, if any of the planetary transits takes place after 6PM, as per Surya Siddhantha only the next day is considered into the equation though as per Drik Siddhantha which deals with observable placement in the skies, it could have taken place in the previous day. This needs to be carefully looked at while determining Navanayaka portfolio.

Ayanamsa used for the calculation of Navanayaka is Lahiri Chitra Paksha and the place considered is Chennai, India. There could be a change in planetary portfolio based on the Ayanamsa adopted. Also for all cases of Navanayaka, since only the day lord is considered into the equation and since the shadow planets Rahu and Ketu do not rule any of the days, they do not hold ground to become the Navanayaka's for any of the 9 portfolios in operation.

Listed below is the current operational Samvatsara cycle that runs from 1987-88 to 2046-47.

Mudakku or Latta or Sthula - The Stumbling Block in a Horoscope

There are various methods in figuring out problem areas in a horoscope and one supposed technique happens to be 'Mudakku' which occurs exclusively from the position of the Sun in a natal chart. The actual coinage of this concept is actually 'Latta' or 'Sthula' which indicates a thorn or contraction but since the word 'Mudangu' in Tamil gives a more apt meaning to the terminology of blockage or restrain or hindrance, it popularly came to be termed as 'Mudakku'. In Tamil dialect 'Mudakku' is said to indicate "Ool Vinai Karma" which mentions about one's inherited fate. In layman's terms, it is said to imply that whatever house or bhava comes as 'Mudakku' in one's horoscope, that indicates a susceptibility and needs to be remedied and worked upon. It is like saying that if a machine stops working, we would have to repair it and that's how it has to be linked within the parlance of a horoscope.

Mudakku is calculated based on the following procedure. We first need to ascertain the Nakshatra in which Sun is placed in the horoscope. From that Nakshatra we need to count until Moola Nakshatra. The count arrived at should then again be counted from Poorva Ashada (Pooradam) Nakshatra and the resultant Nakshatra happens to be the Mudakku Nakshatra with the house owner said to be causing the Mudakku Dosha. The reason for the counting taking place till Moola is because that's the space which is said to possess the location of the Kundalini viz the Mooladhara. There are certain resultant Nakshatras that fall in two rasis and in such a case we always need to evaluate based on where the initial pada of the Nakshatra falls and that would end up being the Mudakku Bhava.

As an illustration let's say someone has their Sun placed in Chitra Nakshatra. We need to count from Chitra till Moola both inclusive which happens to be 6 in number. Now 6 Nakshatras have to be counted from Poorva Ashada (Pooradam) and that will result in Poorva Bhadrapada (Pooratathi) Nakshatra. Hence the Mudakku Nakshatra happens to be Poorva Bhadrapada and the house causing the Mudakku Dosh will be Kumbha or Aquarius since we have to see where the Nakshatra of Poorva Bhadrapada starts which will always be Kumbha.

Listed below are the Mudakku Nakshatra, Mudakku Rasi and Mudakku Lord for all the Nakshatras when Sun is placed from Ashwini to Revathi

1) Ashwini:
Mudakku Nakshatra : Pooram / Poorva Phalguni
Mudakku Rasi : Simha / Leo
Mudakku Lord : Sun

2) Bharani:
Mudakku Nakshatra : Magam / Magha
Mudakku Rasi : Simha / Leo
Mudakku Lord : Sun

3) Krithika:
Mudakku Nakshatra : Ayilyam / Ashlesha
Mudakku Rasi : Karka / Cancer
Mudakku Lord : Moon

4) Rohini:
Mudakku Nakshatra : Poosam / Pushya
Mudakku Rasi : Karka / Cancer
Mudakku Lord : Moon

5) Mrigaseerisham / Mrigashira:
Mudakku Nakshatra : Punarpoosam / Punarvasu
Mudakku Rasi : Mithuna / Gemini
Mudakku Lord : Mercury

6) Thiruvadirai / Aarudra:
Mudakku Nakshatra : Thiruvadirai / Aarudra
Mudakku Rasi : Mithuna / Gemini
Mudakku Lord : Mercury

7) Punarpoosam / Punarvasu:
Mudakku Nakshatra : Mrigaseerisham / Mrigashira
Mudakku Rasi : Rishaba / Taurus
Mudakku Lord : Venus

8) Poosam / Pushya:
Mudakku Nakshatra : Rohini
Mudakku Rasi : Rishaba / Taurus
Mudakku Lord : Venus

9) Aayilyam / Ashlesha:
Mudakku Nakshatra : Krithika
Mudakku Rasi : Mesha / Aries
Mudakku Lord : Mars

10) Magam / Magha:
Mudakku Nakshatra : Bharani
Mudakku Rasi : Mesha / Aries
Mudakku Lord : Mars

11) Pooram / Poorva Phalguni:
Mudakku Nakshatra : Ashwini
Mudakku Rasi : Mesha / Aries
Mudakku Lord : Mars

12) Uthiram / Uttara Phalguni:
Mudakku Nakshatra : Revathi
Mudakku Rasi : Meena / Pisces
Mudakku Lord : Jupiter

13) Hastham / Hastha:
Mudakku Nakshatra : Uthiratathi / Uttara Bhadrapada
Mudakku Rasi : Meena / Pisces
Mudakku Lord : Jupiter

14) Chitra:
Mudakku Nakshatra : Pooraratathi / Poorva Bhadrapada
Mudakku Rasi : Kumbha / Aquarius
Mudakku Lord : Saturn

15) Swati:
Mudakku Nakshatra : Sadayam / Satabhisha
Mudakku Rasi : Kumbha / Aquarius
Mudakku Lord : Saturn

16) Vishaka:
Mudakku Nakshatra : Avittam / Dhanishta
Mudakku Rasi : Makara / Capricorn
Mudakku Lord : Saturn

17) Anusham / Anuradha:
Mudakku Nakshatra : Tiruvonam / Shravana
Mudakku Rasi : Makara / Capricorn
Mudakku Lord : Saturn

18) Kettai / Jyeshta:
Mudakku Nakshatra : Uthiradam / Uttara Ashada
Mudakku Rasi : Dhanus / Sagittarius
Mudakku Lord : Jupiter

19) Moolam / Moola:
Mudakku Nakshatra : Pooradam / Poorva Ashada
Mudakku Rasi : Dhanus / Sagittarius
Mudakku Lord : Jupiter

20) Pooradam / Poorva Ashada:
Mudakku Nakshatra : Moolam / Moola
Mudakku Rasi : Dhanus / Sagittarius
Mudakku Lord : Jupiter

21) Uthiradam / Uttara Ashada:
Mudakku Nakshatra : Kettai / Jyeshta
Mudakku Rasi : Vrischika / Scorpio
Mudakku Lord : Mars

22) Tiruvonam / Shravana:
Mudakku Nakshatra : Anusham / Anuradha
Mudakku Rasi : Vrischika / Scorpio
Mudakku Lord : Mars

23) Avittam / Dhanishta:
Mudakku Nakshatra : Vishaka
Mudakku Rasi : Thula / Libra
Mudakku Lord : Venus

24) Sadayam / Satabhisha:
Mudakku Nakshatra : Swati
Mudakku Rasi : Thula / Libra
Mudakku Lord : Venus

25) Pooraratathi / Poorva Bhadrapada:
Mudakku Nakshatra : Chitra
Mudakku Rasi : Kanya / Virgo
Mudakku Lord : Mercury

26) Uthiratathi / Uttara Bhadrapada:
Mudakku Nakshatra : Hastham / Hastha
Mudakku Rasi : Kanya / Virgo
Mudakku Lord : Mercury

27) Revathi:
Mudakku Nakshatra : Uthiram / Uthira Phalguni
Mudakku Rasi : Simha / Leo
Mudakku Lord : Sun

As spoken about earlier, the house which comes as 'Mudakku' causes a bottleneck or an obstacle which weighs down heavily relating to the significations of that house. Listed below are some effects based upon the house owner of the Mudakku:

Mars - Difficulty in initiating things. Problem with property related matters.
Venus - Issues in relationships and dealing with people.
Mercury - Documentation problems and troubles arising out of communication. Issues with education.
Moon - Causes mental instability and discomfort. Body and mind not in sync.
Sun - Lack of authority and respect. Governmental matters causes problems.
Jupiter - No support from elders and lack of guidance. Problems in dealing with children.
Saturn - General delay in happening of things. Profession related problems.

Sharing below brief issues depending on the house in which Mudakku occurs:
1st House - Individual finds it hard to get going or go forward with any venture, faces issues with anything that native initiates. These natives find it hard to exhibit their talents and hence makes it difficult for themselves to grow. They tend to get caught in a shell and natives with such a placement are said to be adamant not listening to anyone and taking own decisions only to suffer the consequences

2nd House - Family and money matters tend to backfire. For such a native nobody tends to listen and take them seriously. These people should ideally not give or take any loans as they find it hard to get back or repay funds on time. It is also said that such a native should be careful in driving vehicles as accidents can occur.

3rd House - With such a placement, good deeds seldom takes place. It is not good for any document related work and such natives face issues of cheque bouncing / returning. Also if such a native provides information to anyone, there are chances of landing in problems. Their communication seldom gets misinterpreted and they find it hard to come to the limelight. They also tend to face issues from their younger siblings.

4th House - Mother related significations can take a beating. Additionally mental peace can be disturbed and there can be instability in home environment. They always face property issues. During the process of buying or construction or after that also some or other problem in house environment tends to affect them by default.

5th House - This is said to induce plenty of troubles and is a placement said to cause Putra Dosh. They also face issues with ancestral wealth and fall short of getting blessings of their Kula Deva with regard to any deed. Love matters can also take a hit. These natives never hear any good things and are usually critical of other people.

6th House - These natives are generally under confident having fear and self doubt. They also tend to give benefit to others whether right or wrong. They usually lack the competitive edge. Any service they perform they find it to hard to come out victorious. In day to day jobs, they largely face problems with regard to type of job, sub ordinates etc mostly indicating lack of job satisfaction.

7th House - This placement usually sparks issues with regard to married life and relationships. They are advised to not get into partnership business of any sorts. These natives never get company of the rightful friends and most of their affairs in dealing with people end up being distasteful. 

8th House - These natives are always on the search and keep seeking things throughout. They are never self satisfied and keep on looking for newer avenues and tend to trouble themselves a lot by overdoing stuff. They undergo sudden upheavals time and again and embarrassing situations can come upon many a time. As 8th also indicates 'Mangalya Sthana', some or other issue can crop up at time of performing marriage or after that also.

9th House - Auspicious happenings take a beating. It is not good for father related significations as well and these natives are unlucky when it comes to accumulating ancestral blessings. They face issues even in wanting to visit their 'Ishta Devata'. Even when they go abroad from their homeland these natives tend to encounter problems. Maladies are also said to culminate especially with respect to uterus.

10th House - As this is the house of Karma, plenty of karma significations tend to get affected. One will be prohibited from performing his karma. Issues in married life along with more than one marriage is said to be possible along with not having fine relations with children. This house also indicates all to do with respect, honour and achievements and these natives always tend to stumble when it comes to attaining professional growth in career.

11th House -  These natives are said to be highly desirous and always after possessions. They tend to be extremely materialistic and really keen on accumulating money more so others than their own. Gains of any kind are however hard to come by even if they so desire. Their minds tend to oscillate a lot and they never have any mental satisfaction or come to a decision quickly with respect to anything. Issues with elder siblings also keeps persisting.

12th House - These natives usually lack consciousness and are very slow in action taking their own time. They are usually said to incur heavy pains either on the head area or on the legs. Sleep problems are a constant and they are perennially disturbed. These people also find it hard to possess immovable properties. They also end up in losses and incur expenditure in various ways.

This in general is about the concept of Mudakku. It is extremely important to note the house in which the Mudakku is formed in the horoscope along with also knowing the house owner as some inherent significations of the house lord gets affected. The planets sitting in Mudakku Bhava also cause an impact. It is also believed that when the Karma planet Saturn in transit crosses the Mudakku house and especially the Mudakku Nakshatra and it's trine, it is said to induce intense karma dosh. For eg. if the Mudakku Nakshatra happens to be Revathi in Pisces, whenever Saturn crosses Revathi and its trine Nakshatras viz Ashlesha and Jyeshta in Cancer and Scorpio respectively it can cause severe troubles. There is also a way of keeping the Mudakku Bhava as Lagna and seeing where Sun is placed from it along with also seeing its movement from the main Lagna. For instance if Sun is placed 7th from Mudakku and 4th from Lagna, we can interpret by saying that marriage problems can get brewed largely due to lack of sukha or comforts. Poorva Phalguni and Uttara Phalguni are the Nakshatras forming and ending the process of Mudakku with both belonging in the rasi of Simha owned by the Sun which is the planet that ends up causing this whole Mudakku Dosh. Aadi Pooram (Poorva Phalguni) and Panguni Uthiram (Uttara Phalguni) are in fact important festivals celebrated in a religious way down South. This in essence is all about the stumbling block originating methodology of Latha or Sthula more popularly now known as 'Mudakku'.

Information and Results pertaining to different Tithis of Panchanga

Tithi - A Limb of Panchanga
A Tithi happens to be one of the core elements of the five limbed Panchanga. A Tithi occurs based on the angular distance that is created between the Sun & Moon as they revolve around the zodiac belt of 360°. Every 12 degrees of movement by the Moon away from the Sun gives rise to a Tithi and hence there are 30 Tithis (360°/12) in total with 15 being part of the brighter half or what is known as Shukla Paksha and the latter 15 being part of the darker half or Krishna Paksha. For counting purposes we normally consider it like there are 15 Tithis in total much like there are 7 Varas, 27 Nakshatras, 27 Yogas and 11 Karanas.

Tithi and Prosperity
It is said that Knowledge of Tithi brings prosperity. There is also the popular saying stating 'Tithiyai Pidicha Vidhiyai Vellalam' which translates as one who catches hold of their Tithi can even conquer their destiny. Hence Tithi has a very important hold with regard to a Horoscope and is much more than just being used for Muhurtha purposes or celebrating the auspicious events of deities such as Krishna Ashtami or Rama Navami etc.

Tithi and Destiny
It is also believed that Tithi is inherently connected to one's past life and the Tithi one is born with is correlated with the paava punyam or merits / sins from previous birth and accordingly the Tithi is the one that determines the destiny for an individual in this lifetime. Each of the Tithis barring the 15th Tithi of Pournima/Ammavasya are impacted by 2 or more Rasis being cursed leaning to the concept of Tithi Shoonya or Daghda Rasi which indicates certain dark spots in a particular area for an individual horoscope. However there is a saying that only one out of two rasis gets the tag of shoonya rasi (except Chaturdashi Tithi where 2 out of 4 get impacted) based on whether birth takes place in brighter half or darker half. The general understanding is that the first rasi becomes shoonya as per Kala Purusha order for a Shukla Paksha birth and the second rasi becomes shoonya as per Kala Purusha order for a Krishna Paksha birth. This holds good in most cases except for Tithis 3,4 and 7. Apart from Tithi Shoonya Rasis, there are also cases of Lagnas (Ascendant), Nakshatras (Asterism) and Masa (Lunar month) which become Shoonya when arising with certain Tithis which are dispensed below. These concepts are largely used for purpose of fixing Muhurthas.

Tithi Deities
Each of the Tithis also happen to be ruled by a particular deity apart from a Devi assigned to each of them yearning towards prosperity. It is believed that offering prayers to the Nitya Devi linked to the Tithi in which one attains birth helps in granting wealth and prosperity. There is also a type of Ganapathi or Lord Ganesh associated with each of the Tithis and worship of the said type of Ganapathi helps in removing obstacles.

Tithi and the Venus Connection
Tithi mainly connotes the Tamil words 'Selvam' and 'Magizhchi' which is all about happiness, pleasures, delights, earning wealth and desiring prosperity. Since all these undertakings generally come within the ambit of Venusian qualities, a Tithi broadly is said to be under the control of the planet Venus and ruled by the water element.

Tithi - Benefic and Malefic
In general parlance as per Sage Parashara, Moon is classified as Natural Benefic or Natural Malefic based on whether it is under waxing phase (Shukla Paksha) or waning phase (Krishna Paksha) respectively. There are some authorities however stating that Moon is beneficial after it crosses a specific Tithi in the second half of the brighter phase and continues to be favorable till around the mid of the darker phase where it again becomes malefic as it reaches towards Ammavasya and even beyond that into the first half of the brighter phase as Moon is still in rather close conjunction with the Sun. However when it comes to auspiciousness of Tithi, it is categorized into Auspicious, Mixed and Inauspicious based on its proximity with the Sun.

Tithi Groupings
Tithis are also categorised into 5 kind of groupings viz Nanda, Bhadra, Jaya, Rikta and Poorna as per the text 'Kalaprakasika'. The groupings resonate with a particular planet based on the meaning of the terms. This however should not be construed as if the Tithi is lorded by the particular planet but more in line with a group of Tithis relating to the characteristic of a particular planet.

Nanda - 1st, 6th and 11th Tithi. Ruler Venus. Denotes joyousness and happiness
Bhadra - 2nd, 7th and 12th Tithi. Ruler Mercury. Denotes fortune and health
Jaya - 3rd, 8th and 13th Tithi. Ruler Mars. Denotes victory and triumph
Rikta - 4th, 9th and 14th Tithi. Ruler Saturn. Denotes loss and emptiness
Poorna - 5th, 10th and 15th. Ruler Jupiter. Denotes fulfillment and completeness

The Rikta Tithis in general are said to be inauspicious for any important work to be carried out and is best said to be avoided whereas the Poorna Tithis are apt for performing any religious ceremonies. Nanda Tithis invoke sense of pleasure, Bhadra is said to be friendly and Jaya competitive. Hence Tithis for an activity can be used accordingly based on the grouping. It is also said that if a Tithi and it's grouping ruler lord happens to coincide on the particular weekday or Vara, it is said to be auspicious for instance Nanda Tithi & Friday, Bhadra Tithi & Wednesday, Jaya Tithi & Tuesday, Rikta Tithi & Saturday and Poorna Tithi & Thursday.

Tithi Specifics
Kalaprakasika also categorises Tithis based on its orientation with Sunrise as seen below:

Tithi Kshaya - If a Tithi originates after the occurence of Sunrise and finishes before the start of the sunrise in the next day, it is known as Tithi Kshaya. This means that on two consecutive days of sunrise, the Tithi isn't present and denotes a decrease. Such a Tithi is said to be inauspicious and is better if one avoids performing any tasks during such a period of time.

Tithi Adhi or Tithi Vridhi - If a Tithi originates before the occurence of Sunrise and finishes only after the start of the sunrise in the next day, it is known as Tithi Vridhi. Here the Tithi is present on two consecutive days of sunrise and said to connote an increase. This is also not suitable and it is said to avoid any favorable tasks during this period of time.

Tithi Gandanta - The one last Gatika of a Poorna Tithi and the first one Gatika of a Nanda Tithi is said to denote Tithi Gandanta. It is generally better to avoid any activity during this period.

Tithi Lordship
There aren't many texts that talk about the Lordship of each of the Tithis. There is a view of following Tithi Lordship based on the weekday order such as assigning the first Tithi to Sun, second Tithi to Moon and so on till the 7th Tithi to Saturn and then 8th to Rahu and then back again with Sun ruling the 9th Tithi and then the 15th Tithi of bright half provided to Saturn and 15th of darker half given to Rahu. This methodology however does not have any sage backing.

The only Ancient text which makes a reference to Lordship of Tithis happens to be the Kerala treatise on Horary Astrology titled 'Krishneeyam' by Shree Krishna Acharya. This book has clearly delineated the rulership planet for each of the Tithis which are dispensed below. There is no exact methodology of how exactly the Tithi Lord needs to be used in a horoscope but since Tithi in essence is all about significations such as Pleasures, Desires, Relationships, Passion, Happiness, Wealth etc it makes sense to see where the Tithi Lord is placed and the house(s) it owns to approximately come to a judgement on the interest towards these matters. It will also be preferable if the Tithi Lord itself doesn't end up getting placed in a Tithi Shoonya Rasi.

Tithi Information
Listed below are information of Tithis collated from various sources for all the 15 Tithis both in the waxing and waning half

1) Pratipada / Pratamai

- Tithi Group - Nanda
- Tithi Lord - Mars
- Tithi Deity - Agni
- Tithi Nitya Devi - Kameshwari
- Tithi Ganapathi - Bala Ganapathi
- Tithi Temple - Durgai - Pateeswaran (Shukla Paksha) / Kuberan - Thirukattupalli (Krishna Paksha)
- Tithi Neivedya - Neyi - Ghee
- Tithi Level - Inauspicious (Shukla Paksha) / Auspicious (Krishna Paksha)
- Tithi Nature - Vriddhi - Increasing
- Tithi Favorable Day - Friday
- Tithi Shoonya Rasi - Libra ruled by Venus (Shukla Paksha) / Capricorn ruled by Saturn (Krishna Paksha)
- Tithi Shoonya Lagna - Libra, Capricorn
- Tithi Shoonya Nakshatra - Uthiradam / Uttara Ashada
- Tithi Shoonya Maasa - Bhadrapada
- Tithi Events / Festivals - Ugadi is celebrated on this Tithi occuring in Shukla Paksha of the Lunar month of Chaitra. This day marks the beginning of the Hindu New Year as per the Shalivahana Shaka calendar. 
- Tithi General Results -
  : Generally any deed performed on this Tithi has the potential to multiply. Hence caution must be exercised and only those activities that involve growth in favorable manner needs to be performed.
  : These natives have good clarity and they think deeply while performing any task.
  : As per Kalapurusha, the 7th and 10th houses get affected by Shoonya. Usually if they have good family terms, work tends to get affected and vice versa. Ideally they should never involve their spouse in their work activities.  

2) Dwitiya

- Tithi Group - Bhadra 
- Tithi Lord - Venus
- Tithi Deity - Brahma
- Tithi Nitya Devi - Bhagamalini
- Tithi Ganapathi - Taruna Ganapathi
- Tithi Temple - Vishwadeva - Thiruvaikavur (Shukla Paksha) / Vayu - Kalahasti (Krishna Paksha)
- Tithi Neivedya - Chakrai - Sugar
- Tithi Level - Inauspicious (Shukla Paksha) / Auspicious (Krishna Paksha)
- Tithi Nature - Mangala - Auspicious, Nanmai - Beneficial
- Tithi Favorable Day - Wednesday
- Tithi Shoonya Rasi - Sagittarius ruled by Jupiter (Shukla Paksha) / Pisces ruled by Jupiter (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - Anusham / Anuradha
- Tithi Shoonya Maasa - Shravana, Bhadrapada
- Tithi Events / Festivals - Phulera Dooj is conducted on Shukla Paksha Dwitiya in the lunar month of Phalguna which is quite popular in the Northern India region. It is associated with flowers with Holi being played with flowers as an instrument.
- Tithi General Results -
  : These natives are very virtuous by nature. They are usually family oriented and like to involve their members in various tasks. They also like to accumulate things out of their own efforts.
  : These people are very straight forward and believe in sticking to their words not liking to lie.
  : As per Kalapurusha, the 9th and 12th houses get affected by Shoonya. Usually relationship with their dads are not great and it is better if they are not very close to their father or gurus as losses can be accumulated out of them. 

3) Tritiya

- Tithi Group - Jaya
- Tithi Lord - Mercury
- Tithi Deity - Gowri
- Tithi Nitya Devi - Nithyaklinna
- Tithi Ganapathi - Bhakti Ganapathi
- Tithi Temple - Chandran - Thingalur (Shukla Paksha) / Agni - Tiruvannamalai (Krishna Paksha)
- Tithi Neivedya - Pal - Milk
- Tithi Level - Inauspicious (Shukla Paksha) / Auspicious (Krishna Paksha)
- Tithi Nature - Bala - Strong, Shakthi - Strength
- Tithi Favorable Day - Tuesday
- Tithi Shoonya Rasi - Capricorn ruled by Saturn (Shukla Paksha) / Leo ruled by Sun (Krishna Paksha)
- Tithi Shoonya Lagna - Capricorn, Leo
- Tithi Shoonya Nakshatra - Uthiram / Uttara Phalguni, Uthiradam / Uttara Ashada, Uttaratathi / Uttara Bhadrapada
- Tithi Shoonya Maasa - Shravana, Phalguna (only for Shukla Paksha)
- Tithi Events / Festivals - Akshaya Tritiya is held on Shukla Paksha Tritiya in the lunar month of Vaishakha. It is related with good luck and fortune and people are known to stock up gold and jewellery during this time.
- Tithi General Results -
  : These Tithi is said to be victorious and full of strength. Hence it is ideal for competition or when going headed for any battle
  : Any activity they take up, they ensure to put their full efforts and believe in completing it in the rightful manner. They are also usually god fearing and like visiting religious shrines.
  : As per Kalapurusha, the 5th and 10th houses get affected by Shoonya. Any support by Fathers towards their children tend to not work in their favour.

4) Chaturthi

- Tithi Group - Riktha
- Tithi Lord - Moon
- Tithi Deity - Ganesh
- Tithi Nitya Devi - Bherunda
- Tithi Ganapathi - Veera Ganapathi
- Tithi Temple - Vinayaka - Pillayar Petti (Shukla Paksha) / Sukran - Kanchanur (Krishna Paksha)
- Tithi Neivedya - Pazham - Fruit
- Tithi Level - Inauspicious (Shukla Paksha) / Auspicious (Krishna Paksha)
- Tithi Nature - Khala - Cruel, Thadaigal - Obstacle
- Tithi Favorable Day - Saturday
- Tithi Shoonya Rasi - Aquarius ruled by Saturn (Shukla Paksha) / Taurus ruled by Venus (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - None
- Tithi Shoonya Maasa - Pushya, Phalguna (only for Krishna Paksha)
- Tithi Events / Festivals - Sankashti Chaturthi also known as Sankatahara Chaturthi falls on the fourth day of Krishna Paksha in every Lunar month. This Tithi is dedicated to Lord Ganesha where devotees observe fast. If this Sankashti Chaturthi specifically happens to fall on a Tuesday, then it is known as Angaraki Sankashti Chaturthi which is considered to be specially auspicious. There is a belief that prayers offered and performing fast on this day will enable wishes to be fulfilled. Also Ganesh Chaturthi or Vinayak Chaturthi is celebrated on the Chaturthi Tithi occuring in the waxing phase during the lunar month of Bhadrapada.
- Tithi General Results -
  : The natives of this Tithi like to travel a lot and keep frequenting on journeys.
  : They like to be adored and enjoy keeping friendship with many people. They also have the tendency of doing multiple jobs at the same time.
  : As per Kalapurusha, the 2nd and 11th houses get affected by Shoonya. They are generally not well respected and should ensure to safeguard themselves.

5) Panchami 

- Tithi Group - Poorna
- Tithi Lord - Sun
- Tithi Deity - Naga
- Tithi Nitya Devi - Vahinivasini
- Tithi Ganapathi - Shakthi Ganapathi
- Tithi Temple - Devendran - Penaadam (Shukla Paksha) / Guru - Alangudi (Krishna Paksha)
- Tithi Neivedya - Bakshanam - Snack
- Tithi Level - Inauspicious (Shukla Paksha) / Auspicious (Krishna Paksha)
- Tithi Nature - Lakshmi - Prosperous, Selvam - Riches
- Tithi Favorable Day - Thursday
- Tithi Shoonya Rasi - Gemini ruled by Mercury (Shukla Paksha) / Virgo ruled by Mercury (Krishna Paksha)
- Tithi Shoonya Lagna - Gemini, Virgo
- Tithi Shoonya Nakshatra - Magam / Magha
- Tithi Shoonya Maasa - Karthik (only for Krishna Paksha), Pushya, Magha (only for Shukla Paksha)
- Tithi Events / Festivals - Naga Panchami takes place on Shukla Paksha Panchami in the lunar month of Shravan. It is mainly to do with worshipping and venerating snakes. Vasanta Panchami happens on Shukla Paksha Panchami in the lunar month of Magha which is associated with celebrating Goddess Saraswathi. Vivaha Panchami is on Shukla Paksha Panchami in the lunar month of Margashira which is a festival celebrating the union of Rama and Sita.
- Tithi General Results -
  : The natives of this Tithi like doing things correctly and appropriately.
  : They like getting involved in the kitchen and take a keen interest towards cooking. They are particular with matters involving relationship, lust and tend to overthink and feel on matters deeply. 
  : As per Kalapurusha, the 3rd and 6th houses get affected by Shoonya. They need to be careful when it comes with things relating to mother.

6) Shasti

- Tithi Group - Nanda
- Tithi Lord - Jupiter
- Tithi Deity - Karthikeya
- Tithi Nitya Devi - Vajreshwari
- Tithi Ganapathi - Dhwija Ganapathi
- Tithi Temple - Subramaniam - Tiruchendur (Shukla Paksha) / Chevvai - Vaitheeswaran (Krishna Paksha)
- Tithi Neivedya - Then - Honey
- Tithi Level - Mixed (Shukla Paksha) / Mixed (Krishna Paksha)
- Tithi Nature - Yaja - Glorious, Pugazh Serum - Popularity
- Tithi Favorable Day - Friday
- Tithi Shoonya Rasi - Aries ruled by Mars (Shukla Paksha) / Leo ruled by Sun (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - Rohini
- Tithi Shoonya Maasa - Ashada (only for Shukla Paksha), Magha (only for Krishna Paksha)
- Tithi Events / Festivals - Shasti Viratham falls on the sixth day of Shukla Paksha in every lunar month. Sashti Viratham is dedicated to Lord Skanda, the younger son of Lord Shiva. Devotees perform fast and chant Sashti Viratham kavacham on this day. This Shasti Viratham is celebrated as a special six day event during the solar month of Aippasi (Mid Oct to Mid Nov). It starts on the Shukla Paksha Pratama Tithi and the festival concludes with the fulfillment of Shukla Paksha Shasti Tithi.
- Tithi General Results -
  : The natives of this Tithi are of a slim constituency. They are short tempered and tend to get angry very quickly.
  : They like attaining status and reputation in the society
  : As per Kalapurusha, the 1st and 5th houses get affected by Shoonya. Children related issues will be persisting and it is advised never to match a Shasti born male and female as bearing children can become complicated.

7) Sapthami

- Tithi Group - Bhadra
- Tithi Lord - Saturn
- Tithi Deity - Suriya
- Tithi Nitya Devi - Shivadutee
- Tithi Ganapathi - Siddhi Ganapathi
- Tithi Temple - Suriyan - Suriyanar (Shukla Paksha) / Munivar - Thirukatupalli (Krishna Paksha)
- Tithi Neivedya - Vellam - Jaggery
- Tithi Level - Mixed (Shukla Paksha) / Mixed (Krishna Paksha)
- Tithi Nature - Mitra - Friendly, Natpu Valarum - Growth of Friendship
- Tithi Favorable Day - Wednesday
- Tithi Shoonya Rasi - Sagittarius ruled by Jupiter (Shukla Paksha) / Cancer ruled by Moon (Krishna Paksha)
- Tithi Shoonya Lagna - Sagittarius, Cancer
- Tithi Shoonya Nakshatra - Hastham / Hastha, Moolam / Moola
- Tithi Shoonya Maasa - Ashada (only for Krishna Paksha), Margashira
- Tithi Events / Festivals - Ratha Sapthami takes place on Shukla Paksha Sapthami in the lunar month of Magha. This marks the birth of the Sun God or Lord Surya and is hence also known as Surya Jayanthi. This Ratha Sapthami also denoted change of season to spring and start of the harvesting season which is considered auspicious for farmers. 
- Tithi General Results -
  : The natives of this Tithi are very compassionate and show kindness.
  : They go about any task with courage and bravery. They are really competitive and are said to complete things even beyond their capability. Like to attain perfection in whatever they do.
  : As per Kalapurusha, the 4th and 9th houses get affected by Shoonya. The natives usually get separated from their parents for some or other reason.

8) Ashtami

- Tithi Group - Jaya
- Tithi Lord - Rahu
- Tithi Deity - Shiva
- Tithi Nitya Devi - Twarita
- Tithi Ganapathi - Ucchistha Ganapathi
- Tithi Temple - Lakshmi Devi - Thevur (Shukla Paksha) / Adi Seshan - Srirangam (Krishna Paksha)
- Tithi Neivedya - Elaneer - Coconut
- Tithi Level - Mixed (Shukla Paksha) / Mixed (Krishna Paksha)
- Tithi Nature - Dwandwa - Conflict, Kulappam - Confusion
- Tithi Favorable Day - Tuesday
- Tithi Shoonya Rasi - Gemini ruled by Mercury (Shukla Paksha) / Virgo ruled by Mercury (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - Pooratathi / Poorva Bhadrapada
- Tithi Shoonya Maasa - Chaitra, Margashira
- Tithi Events / Festivals - Ashtami is largely known for Krishna Janmashtami and Radhashtami. Krishna Janmashtami takes place on Krishna Paksha Ashtami in the lunar month of Bhadrapada and Radhashtami is on Shukla Paksha Ashtami in the lunar month of Bhadrapada. They are also known as Krishna Jayanthi and Radha Jayanthi respectively. Also Bhairava Ashtami dedicated to Kal Bhairava, the fierce manifestation of Shiva is held on Krishna Paksha Ashtami in the lunar month of Margashira.
- Tithi General Results -
  : The natives of this Tithi are well disposed and have the blessings of God in attaining prosperity.
  : They are quite lust oriented.
  : As per Kalapurusha, the 3rd and 6th houses get affected by Shoonya. They are usually knowledgeable of a different kind and tend to have knowledge of most subjects.

9) Navami

- Tithi Group - Rikta
- Tithi Lord - Mars
- Tithi Deity - Durga
- Tithi Nitya Devi - Kulasundari
- Tithi Ganapathi - Vighna Ganapathi
- Tithi Temple - Saraswathi - Koothanur (Shukla Paksha) / Yaman - Srivanchiyam (Krishna Paksha)
- Tithi Neivedya - Pori - Puffed bread
- Tithi Level - Mixed (Shukla Paksha) / Mixed (Krishna Paksha)
- Tithi Nature - Ugra - Fierce, Kurooram - Anger
- Tithi Favorable Day - Saturday
- Tithi Shoonya Rasi - Leo ruled by Sun (Shukla Paksha) / Scorpio ruled by Mars (Krishna Paksha)
- Tithi Shoonya Lagna - Cancer, Leo
- Tithi Shoonya Nakshatra - Krithika
- Tithi Shoonya Maasa - Chaitra
- Tithi Events / Festivals - Navami is largely known for Rama Navami which is a festival celebrating the birth of Lord Ram. Rama Navami takes place on Shukla Paksha Navami in the lunar month of Chaitra. On similar lines takes place Sita Navami which is to celebrate Goddess Sita which happens on Shukla Paksha Navami in the following lunar month of Vaisakha.
- Tithi General Results -
  : The natives of this Tithi are very correct in their endeavours
  : They however tend to believe and get attracted to other people more than their own kith and kin.
  : As per Kalapurusha, the 5th and 8th houses get affected by Shoonya. They find it difficult to do their tasks and have issues in performing their Karma.

10) Dashami

- Tithi Group - Poorna
- Tithi Lord - Venus
- Tithi Deity - Yamaraja
- Tithi Nitya Devi - Nityadevi
- Tithi Ganapathi - Kshipra Ganapathi
- Tithi Temple - Veerabhadra - Kumbakonam (Shukla Paksha) / Guru - Thenkudi Thittai (Krishna Paksha)
- Tithi Neivedya - Rasam Annam - Spicy South Indian soup
- Tithi Level - Mixed (Shukla Paksha) / Mixed (Krishna Paksha)
- Tithi Nature - Saumya - Gentle, Menmai - Honorable
- Tithi Favorable Day - Thursday
- Tithi Shoonya Rasi - Leo ruled by Sun (Shukla Paksha) / Scorpio ruled by Mars (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - None
- Tithi Shoonya Maasa - Ashwija
- Tithi Events / Festivals - Dashami is mainly known for Vijayadashami which occurs as part of Navaratri celebrations. Vijayadashami takes place on Shukla Paksha Dashami in the lunar month of Ashwin. This festival connotes the victory of good over evil. It is alternatively known as Dussehra.
- Tithi General Results -
  : The natives of this Tithi are virtuous and very focused on doing their duty in the rightful manner
  : They are very considerate by nature and maintain good relations with people
  : As per Kalapurusha, the 5th and 8th houses get affected by Shoonya. They find it difficult to do their tasks and have issues in performing their Karma.

11) Ekadashi

- Tithi Group - Nanda
- Tithi Lord - Mercury
- Tithi Deity - Viswadeva
- Tithi Nitya Devi - Nilapadhaka
- Tithi Ganapathi - Heramba Ganapathi
- Tithi Temple - Parvathi Devi - Madurai Meenakshi (Shukla Paksha) / Shani - Tirunallar (Krishna Paksha)
- Tithi Neivedya - Sathu Maavu - Flour
- Tithi Level - Auspicious (Shukla Paksha) / Inauspicious (Krishna Paksha)
- Tithi Nature - Anandha - Blissful, Inbam - Pleasing
- Tithi Favorable Day - Friday
- Tithi Shoonya Rasi - Sagittarius ruled by Jupiter (Shukla Paksha) / Pisces ruled by Jupiter (Krishna Paksha)
- Tithi Shoonya Lagna - Sagittarius, Pisces
- Tithi Shoonya Nakshatra - Rohini
- Tithi Shoonya Maasa - Ashwija
- Tithi Events / Festivals - Ekadashi Vrat occurring during the Ekadashi Tithi in both Shukla Paksha and Krishna Paksha is dedicated to Lord Vishnu where devotees usually offer a day long fast during this period. Vaikunta Ekadashi is considered to be a special Ekadashi and occurs during the Ekadashi Tithi occurring in Shukla Paksha during the solar month of Dhanu (Mid Dec to Mid Jan). A day long fast is observed to attain Moksha and seek refuge in Lord Vishnu's holy abode of Vaikunta. Likewise Shayani Ekadashi occurs during Shukla Paksha in the Lunar Month of Ashada and Prabodhini Ekadashi occurs during Shukla Paksha in the Lunar Month of Karthik. It is believed that Lord Vishnu goes to sleep on the day of Shayani Ekadashi and wakes up during Prabodhini Ekadashi.
- Tithi General Results -
  : They are justice oriented and believe in being straight forward and fair.
  : Integrity is very important for them and believe in giving and taking respect.
  : As per Kalapurusha, the 9th and 12th houses get affected by Shoonya. They will somehow finish any kind of work that is assigned to them but these natives are usually beneficial for others than their own. They need to be careful when it comes to matters of fathers and mentors.

12) Dwadashi

- Tithi Group - Bhadra
- Tithi Lord - Moon
- Tithi Deity - Vishnu
- Tithi Nitya Devi - Vijaya
- Tithi Ganapathi - Lakshmi Ganapathi
- Tithi Temple - Vishnu - Sarangapani (Shukla Paksha) / Sukran - Thiruvelliyingudi (Krishna Paksha)
- Tithi Neivedya - Payasam - Kheer
- Tithi Level - Auspicious (Shukla Paksha) / Inauspicious (Krishna Paksha)
- Tithi Nature - Yaja - Glorious, Pugazh Nalla Gunam - Recognition and Good Behavior
- Tithi Favorable Day - Wednesday
- Tithi Shoonya Rasi - Libra ruled by Venus (Shukla Paksha) / Capricorn ruled by Saturn (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - Aayilyam / Ashlesha
- Tithi Shoonya Maasa - Vaishaka
- Tithi Events / Festivals - Parasuram Dwadashi dedicated to Lord Parasuram who is known as the sixth incarnation of Lord Vishnu takes place on Shukla Paksha Dwadashi in the lunar month of Vaisakha. Narasimha Dwadashi is celebrated on Shukla Paksha Dwadashi in the lunar month of Phalguna. Lord Narasimha happens to be the man lion manifestation of Lord Vishnu
- Tithi General Results -
  : They like to maintain good conduct with everyone.
  : Any new activity that they perform, they tend to do it flawlessly.
  : As per Kalapurusha, the 7th and 10th houses get affected by Shoonya. Marriage and work related issues normally tend to get affected.

13) Triyodashi

- Tithi Group - Jaya
- Tithi Lord - Sun
- Tithi Deity - Kamadeva
- Tithi Nitya Devi - Sarvamangala
- Tithi Ganapathi - Maha Ganapathi
- Tithi Temple - Brahma - Thirukandiyur (Shukla Paksha) / Nandhi - Tirumalaipadi (Krishna Paksha)
- Tithi Neivedya - Aval - Flattened Rice
- Tithi Level - Auspicious (Shukla Paksha) / Inauspicious (Krishna Paksha)
- Tithi Nature - Jaya - Victorious, Vetri - Win
- Tithi Favorable Day - Tuesday
- Tithi Shoonya Rasi -  Taurus ruled by Venus (Shukla Paksha) / Leo ruled by Sun (Krishna Paksha)
- Tithi Shoonya Lagna - Taurus, Pisces
- Tithi Shoonya Nakshatra - Chithirai / Chitra, Swathi
- Tithi Shoonya Maasa - Jyeshta (only for Shukla Paksha)
- Tithi Events / Festivals - Pradosh Vrat is very prominent among Hindus for seeking Lord Shiva and Goddess Parvathi's blessings. Devotees offer fast and perform rituals during this day. Pradosh Vrat or Pradosham takes place every Trayodashi both on Shukla Paksha and Krishna Paksha of every lunar month.When Pradosh Vrat coincides on a Wednesday, it is known as Budh Pradosh Vrat and is deemed to be really auspicious. Also Dhanteras which is supposed to be the first day of Diwali celebrations occurs on Krishna Triyodashi in the lunar month of Ashwin.
- Tithi General Results -
  : These natives end up doing certain tasks without realizing the consequences.
  : They usually do not have lot of friends and not so close to family members.
  : As per Kalapurusha, the 2nd and 5th houses get affected by Shoonya. Family and Kula Deivam (God Lineage) related issues normally tend to get affected.

14) Chaturdashi

- Tithi Group - Rikta
- Tithi Lord - Jupiter
- Tithi Deity - Shiva
- Tithi Nitya Devi - Jwalamalini
- Tithi Ganapathi - Vijaya Ganapathi
- Tithi Temple - Rudran - Sarabeshwarar Thirubuvanam (Shukla Paksha) / Maheshwaran - Gangaikondasola Puram (Krishna Paksha)
- Tithi Neivedya - Kadala - Chickpeas
- Tithi Level - Auspicious (Shukla Paksha) / Inauspicious (Krishna Paksha)
- Tithi Nature - Ugra - Fierce, Kurooram - Anger
- Tithi Favorable Day - Saturday
- Tithi Shoonya Rasi - Gemini & Virgo ruled by Mercury (Shukla Paksha) / Sagittarius & Pisces ruled by Jupiter (Krishna Paksha)
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - None
- Tithi Shoonya Maasa - Jyeshta (only for Krishna Paksha), Karthik (only for Shukla Paksha)
- Tithi Events / Festivals - The day before the actual Diwali is Naraka Chaturdashi which occurs on Krishna Paksha Chaturdashi in the lunar month of Ashwin. Also Maha Shivaratri or Maha Bahula Chatirdashi known as the great night of Lord Shiva takes place on Krishna Paksha Chaturdashi in the lunar month of Magha. Like how Maha Shivaratri is dedicated to Lord Shiva, there is also an Anant Chaturdashi paying homage to Lord Vishnu that occurs on Shukla Chaturdashi in the lunar month of Bhadrapada. This also marks the last day of the ten day Ganesh Chaturthi festival.
- Tithi General Results -
  : These natives are usually short tempered and like accumulating possessions. They get angry if they are not able to attain what they want.
  : They are often the butt of all jokes and end up being mocked.
  : As per Kalapurusha, the 3rd, 6th, 9th and 12th houses get affected by Shoonya. They need to be extra careful in a number of objects as 4 main pillars of a horoscope gets strained.

15) Poornima / Ammavasya

- Tithi Group - Poorna
- Tithi Lord - Saturn (Poornima) / Rahu (Ammavasya)
- Tithi Deity - Chandra (Poornima) / Pitris (Ammavasya)
- Tithi Nitya Devi - Chitra
- Tithi Ganapathi - Nirutha Ganapathi
- Tithi Temple - Varunan - Mahendrampalli (Shukla Paksha) / Sadasivam - Rameshwaram (Krishna Paksha)
- Tithi Neivedya - Thayir Sadham - Curd Rice
- Tithi Level - Auspicious (Shukla Paksha) / Inauspicious (Krishna Paksha)
- Tithi Nature - Saumya - Gentle (Poornima), Pitru - Ancestral (Ammavasya)
- Tithi Favorable Day - Thursday
- Tithi Shoonya Rasi - None
- Tithi Shoonya Lagna - None
- Tithi Shoonya Nakshatra - None
- Tithi Shoonya Maasa - None
- Tithi Events / Festivals - A number of events takes place during Poornima Tithi. Some of the well known ones happen to be Hanuman Jayanthi in the lunar month of Chaitra, Buddha Poornima in Vaishakha, Vat Poornima in Jyeshta, Guru Poornima in Ashada, Shravan Poornima in Shravana, Shraddha Poornima in Bhadrapada, Sharad Poornima in Ashwina, Karthik Poornima (Karthigai Deepam) in Karthik, Dattatreya Jayanthi in Margashira, Shakambari Poornima in Pausha.
Ammavasya Tithi in general is considered auspicious for worship of forefathers and ancestors. The Ammavasya on Ashwin month is known as Mahalaya Ammavasya and is especially sacred for offering oblations to ancestors. This period pertaining to the dark fortnight in the lunar month of Ashwina from Krishna Paksha Pratama till Ammavasya is termed as Pitru Paksha where offerings are made to departed souls with the Mahalaya Ammavasya being the most important day for performing obsequies and rites. In the South, Thai Ammavasya occurring in the solar month of Thai or Makara and Aadi Ammavasya taking place in the solar month of Aadi or Katagam is specially considered for oblation and signifies the first Ammavasya after Uttarayana (Northern course of Sun) and Dakshinayana (Southern course of Sun) respectively. If Ammavasya coincides on a Monday it has a special significance and fasting on this day is said to ensure desires being fulfilled. The day after Naraka Chaturdashi in the lunar month of Ashwija is when Diwali celebrations actually culminates. It is also the day when Lakshmi Pooja takes place with worship for Lakshmi, the Goddess for Wealth and Ganesh, the God for auspicious beginnings. 

- Tithi General Results -
  : These natives are very patient by nature and possess a lot of respect towards their parents. They are very intelligent and talented in performing any activity. Ensure to speak the truth always.
  : They undergo a lot of oscillation in life with regular ups and downs.
  : As per Kalapurusha, no house gets affected by Tithi Shoonya. However they need to be careful with respect to certain matters due to the proximity of the Moon being directly opposite (Poornima) and too close to the Sun (Ammavasya) respectively.

Note: Hindu festivals are largely decoded based on the Tithi in operation. The Christian festivals are more aligned to a specific day or date such as Christman always arising on December 25th, New Year's on Jan 1st etc. Muslim festivals on the other hand are largely based on Moon sighting and not observance of a particular Tithi as most Hindu festivals but they more or less have a correlation as Moon's phases originate as part of Tithi. It would be quite interesting to note that Ramadan always commences around Shukla Paksha Dwitiya Tithi based on the viewing of crescent moon and Eid on Shukla Paksha Dwitiya Tithi in the following lunar month. Muslims are known to fast and offer obeisance to God for Ramadan during the entire month and Eid marks the end of the Islamic holy month fasting of Ramadan. Another of their festival, Bakrid happens around Shukla Paksha Dashami in the lunar month of Ashada.

                                              

The Most Awaited Eclipse Phenomena in Sagittarius/Gemini

Eclipses aren't an everyday phenomenon and neither is it a rare occurrence. A solar and lunar eclipse are likely to take place almost every 6 months. A solar eclipse is defined when the Moon passes between Earth and the Sun and likewise a Lunar Eclipse happens when the Moon passes directly behind Earth and into its shadow. Viewing from a horoscopic angle, there are 4 essential components required for an eclipse to take place which are the Sun, Moon, Rahu (North Node) and Ketu (South Node). For all practical purposes, the Earth isn't considered as that's the place we all are in and considered more as a reference point. One more factor to note is that a Solar Eclipse takes place only on Amma Vasya which is when Moon comes very close to join with the Sun and a Lunar Eclipse takes place only on Poornima which is when the Moon is straight opposite the sun at 180 degrees. These motions are also coined as the waxing and waning phases of the Moon.

Now coming back to the question as to why this Eclipse happens to be far more anticipated than the regular set of eclipses which occur on an annual basis. The only reason attributed could be because of the stellium or joining journey of a bushel of planets happening in the zone of the zodiac sign Sagittarius. This is said to intensify energies and Sagittarius being a fiery sign in general, there could be some sense of discomfort and extensive aggression. There are always two zodiac signs coming into the forefront during an eclipse and apart from Sagittarius, the other zodiac happens to be the natural 3rd sign of communication Gemini which is said to possess an airy characteristic. Hence this projection happens in the territory of Gemini & Sagittarius and those having prominent placement in their natal chart in these two zodiac signs come under the firing line. Also just for the record, this upcoming solar eclipse would be the last in this decade (2010-19) and the impending lunar eclipse will be the first in the next decade (2020-29).

Solar Eclipse (26th Dec 2019):
Sun will be in Sagittarius (Dhanus) and Moon will also be in Sagittarius (Dhanus) and hence they are conjunct with each other. Ketu is also posited in Sagittarius along with the Sun & Moon with Rahu being 180 degrees apart in Gemini (7 signs away) giving rise to a perfect Solar Eclipse.

Lunar Eclipse (10th Jan 2020):
Sun will be in Sagittarius (Dhanus) and Moon would have moved to Gemini (Mithuna) which is 180 degrees apart. Ketu is posited in Sagittarius with the Sun and Rahu is right now in Gemini along with the moon giving rise to a perfect Lunar Eclipse.

Just to get the drift, concentrate only on Sun, Moon, Rahu and Ketu. The Solar eclipse takes place in the signs of Sagittarius and Gemini (Sun, Moon & Ketu in Sagittarius and Rahu in Gemini) whereas the Lunar eclipse will also take place in the signs of Sagittarius and Gemini (Sun & Ketu in Sagittarius and Moon & Rahu in Gemini)

Astronomical Perspective:
The ecliptic is the path where the earth revolves around the Sun. The Moon has it's own orbital path around the earth which is slightly tilted and not in the same plane. The intersection points of the Moon's orbital path when crossing the ecliptic gives rise to the Nodes which in essence equates to the earth's orbit around the Sun called Rahu (North Node) and Moon's orbit around the Earth called Ketu (South Node).

The moon completes one full orbit of 360° around the earth in approx 27.3 days. In this process it also transits across the zodiac which is an imaginary band that follows the ecliptic around the earth. There are 12 signs of 30° and hence Moon takes approx 2 1/4 days (27.3 days/12 signs) transiting against the backdrop of a zodiac sign.

When the Moon transits the zone of Sagittarius ♐ (Dhanus Rasi) on 26th Dec 2019, it's orbital path entails it to move towards the intersecting point of Ketu which cuts across the ecliptic. The Moon also comes in close alignment with the Sun which is already perched here. The Moon bordering on the Nodal axis and in close proximity to the Sun blocks the sun light from falling on to the earth resulting in a Solar eclipse.

After about a fortnight, when the Moon sectors across the backdrop of Gemini ♊ (Mithuna Rasi) on 10th Jan 2020, it's orbital path entails it to move towards the intersecting point of Rahu which cuts across the other side of ecliptic. The Moon has now gone very far away from the Sun being oppositely aligned and passes behind the earth. Since the earth is now between the Sun and the Moon, it wouldn't be possible for the light of the sun to reach the Moon as the Earth obstructs it and this results in a Lunar eclipse.

Hence a solar eclipse can only take place on Amma Vasya when the Sun & Moon are in close conjunction and when Moon revolves near by the intersecting nodal point Ketu (in this case) enabling the Moon to cast a shadow on earth. Likewise a Lunar eclipse can only occur on Poornima when Sun & Moon are at the furthest from each other and Moon revolves towards the side of the other intersecting nodal point Rahu (in this case). Here since the moon is behind the earth, the earth instead casts a shadow on Moon.

Highlights and Pointers:
As highlighted, it's only these 4 attributes viz Sun, Moon, Rahu and Ketu which are responsible for casting an eclipse but the interesting point to observe is that apart from these 4 planets, Mercury, Jupiter and Saturn will also be holding hands in the domain of Sagittarius. Mercury is said to be characterizing Earthy element with Jupiter denoting Ether Tattva and Saturn is naturally said to be Airy by nature. The only two missing links Mars the fiery male and Venus the watery female are placed on either side in Scorpio and Capricorn respectively when the Solar Eclipse operates. During the time of Lunar eclipse however Venus will shift over to Aquarius with Mars staying put in it's battle field of Scorpio. Coming to those impacted, the one's having the following placements in their natal charts need to tread this eclipse phase with caution.

- Sun, Moon, Rahu, Ketu falling in the signs of Sagittarius or Gemini
These 4 components in effect are the reason eclipses even get formed and hence when someone at birth has these planets at birth in the two signs of Gemini and Sagittarius, the impact can said to trigger tribulations. Also Sun is said to denote the soul and the Moon depicts the mind with Rahu/Ketu both associated with past life karmas. Thus the one's having any of these 4 planets in their natal chart  in these signs need to treat this eclipse with care. Listing below the deities and incarnations with respect to these 4 planets whose worship can be some resolute at this point of time.
Sun - Lord Agni (Ram Incarnation)
Moon - Lord Varuna (Krishna Incarnation)
Rahu - Goddess Durga (Varaha Incarnation)
Ketu - Lord Ganesha (Matsya Incarnation)

- Ascendant being in the sign of Sagittarius or Gemini
The Ascendant is the zodiac which is rising in the eastern direction at the time of birth. If the Ascendant or Lagna falls in these two signs, it can bring some knee jerk reactions. The Ascendant is the basis or reference point of a horoscope and said to denote the physical characteristics of a person. The rising sign is considered to be the first house in a horoscope and the inter-relation of all planets are tied to it and hence it assumes paramount importance.
Dhanus/Sagittarius - Lord Dattatreya (Any form of Guru worship such as Dakshinamurthy) (Jyotirlinga - Kasi Viswanath)
Mithuna/Gemini - Lord Shriman Narayana (Any form of Vishnu worship such as Venkatesa Perumal) (Jyotirlinga - Nageshwara)

- Mercury, Jupiter or Saturn in the signs of Sagittarius or Gemini
This is just an additional consideration to be taken note of. It may not have as much of a say as the placement of Sun,Moon,Rahu,Ketu but these planets when moving along in transit in addendum to the eclipse effect crossing over their natal placements can cause a bit of an upside energy exchange. Mercury denotes the intelligence side, Jupiter portrays wisdom and Saturn on the discipline and hardships encountered by an individual. Worship to Lord Vishnu (Buddha Incarnation), Brahma (Vamana Incarnation) and Bairava (Koorma Incarnation) may be useful at this juncture.

- Amma Vasya or Poornima being the birth Tithi
These Tithis are like the bed rocks based on which eclipse formation takes place. During birth it may or may not have been a case of an eclipse but a tithi return in conjunction with an explosive eclipse taking place, it is perhaps best to invoke divine blessings at this point of time.
Amma Vasya - Lord Pitris (Ruled by Rahu, good to worship deity Sadashiva)
Poornima - Lord Chandra (Ruled by Saturn, good to worship deity Varuna)

- Chatushpada, Nagava, Vishti, Bava being the birth Karana
A Karana is basically half of a tithi and hence these will be the karanas operating as part of the solar eclipse and lunar eclipse respectively. Chatushpada and Naga form the 1st and 2nd karana of Amma Vasya Tithi with Vishti and Bava being the 1st and 2nd Karana of Poornima Tithi. Devotion to the Karana deities may be a dutiful consideration.
Chatushpada - Kala Bairavar (Symbolised by Dog)
Naga - Nagarajar, Sarpam (Symbolised by Snake)
Vishti - Karthikeya, Subramania Swamy (Symbolised by Cock)
Bava - Lakshmi Narasimhar (Symbolised by Lion)

- Nakshatras being Mrigashira, Arudra, Punarvasu, Moola, Poorva Ashada, Uthara Ashada
These are the Nakshatras that form part of the signs Gemini and Sagittarius and virtually any planet being placed in these constellations comes into the ambit of eclipse. It seems to be more profound for Moola and Arudra/Punarvasu as sensitive points since Moon will be transiting these constellations during the time of the eclipse but all of these stars come into the fray for being part of the zodiac signs of Sagittarius and Gemini. It may not be a bad idea to offer prayers to the Nakshatra deities as well.
Mrigashira - Deity: Soma, Related: Chandra, God: Chandra Sudeshwarar
Arudra - Deity: Rudra, Related:Shiva, God: Nataraja Shiva Peruman
Punarvasu - Deity: Aditi, Related: Devas, God: Shri Rama
Moola - Deity: Nirriti, Related: Asura, God: Anjaneya
Poorva Ashada - Deity: Apah, Related: Varuna, God: Jambukeshwarar
Uthara Ashada - Deity: Vishwadeva, Related: Ganesh, God: Vinayaka Peruman

- Other Miscellaneous Factors
3 limbs of the Panchang have been covered namely the Nakshatras, Tithi and Karanas. The remaining are Vara (solar day transiting from sunrise to next day sunrise) and the Yoga (sum of degrees of Sun and Moon). It is good to note that the solar eclipse occurs on a Thursday which is a day ruled by Jupiter and the Lunar eclipse operates on a Friday lorded by Venus. With respect to Yoga, Vriddhi Yoga lorded by Mercury will happen during the Solar Eclipse and Vyatipata Yoga lorded by Rahu will be running during the Lunar Eclipse. Hence those born on these days and yogas can also take a mild consideration of the effects of the eclipse.

Conclusion:
These are in essence about the interplay of eclipses. Eclipses are said to trigger momentary motions of uneasiness due to the movement of planets. It is always good to know about them for general understanding as well as information purpose. Thankfully it isn't a long standing effect and the best way to tackle is by invoking the divine and regulated fasting. By the time one blinks an eyelid, the eclipses would have already disappeared with life restored back to normalcy.

The phenomenon of Janma Nakshatra coinciding with English Birthday once every 19 years!

In the South of India and also in countries like Sri Lanka, Malaysia and Singapore, the Janma Nakshatra of Moon is given high prominence. It is a tradition to tell the constellation of Moon star and offer prayers to God for one's well being. Birthdays are mostly celebrated on the rising birth star during the respective solar month in which one is born.

It is generally witnessed that every 19th year in one's life the Nakshatra at birth and the English Birthday date seems to coincide and is known to be pretty auspicious. There is however a mathematical computation as well as a reasoning based on why such a phenomenon usually occurs.

One needs to know a couple of basics before going into the specifics. First up is about the Sun which takes 365.25 days to cover it's full round of the 360 degree zodiac in order to return back to its natal solar position. A calendar year however consists of 365 days and every 4th year happens to be a leap year consisting of 366 days. The reason for the leap year is because the earth's orbit around the sun takes 365.25 days approx and to factor that 0.25 days, an extra day is added once in every 4 years.

Now coming to the moon, it takes approx 27.32 days to cover all the 27 Nakshatras or in essence you could say the 360 degrees of the zodiac. A nakshatra covers a distance of 13 degrees 20 minutes of the 360 degree band zodiac belt making the total nakshatra count as 27 (360 degrees divided by 13 degrees 20 minutes). The average daily motion of the moon is 13 degrees 10 minutes and 36 seconds. Converting this in zodiac space minutes, it traverses 790.60 minutes (13*60+10+36/60) in a day and the total nakshatra span happens to be 800 minutes (13*60+20). Hence a Nakshatra remains in the sky for a little over a days time or you can say 24 hours 17 mins and 7 seconds to be more precise (Please note this is also approximate as its based on mean daily motion). In effect to cover all the 27 nakshatras it takes roughly 27.32 days [648 hours (27 nakshatras*24 hours), 459 minutes (27 nakshatras*17 minutes) and 189 seconds (27 nakshatras*7 seconds)].

Thus within a calendar year of 365 days, moon makes 13 full rounds which will be 27.32*13=355.16 days which we shall approximate to 355 days. Thus in a way we can say that a solar year is 365 days and moon lunar year is 355 days. On the date of our birth or 0th year, the constellation which is rising in the skies happens to be our Janma Nakshatra. We celebrate our 1st birthday after the completion of 365 days but the moon completes 13 rounds in 355 days and we see a gap of 10 days between our English Birthday and our star birthday. In the 2nd year the gap becomes 20 days, 3rd year it becomes 30 days but within that span of 30 days, the Moon completes a set of Nakshatras in 27.32 days making the reminder as 3. In the 4th year you see 40 days difference and reminder is 13 and for 5th year reminder will be 23. In the 6th year when the difference heads to 60 days (365*6 less 355*6), moon will complete 2 rounds of 27.32 days which is roughly 55 days and still you would see a reminder of 5 days. This keeps happening until the 19th year when the difference becomes 190 days (365*19 less 355*19). When you divide this figure by 27.32, the reminder becomes 0 with the point difference being very minimal. (190÷27.32 equals approx 7 with fraction reminder). Hence most likely only once in every 19 years, your original Nakshatra at birth ends up arriving on the date of your birthday.

Additionally, it is often seen that the first star birthday is celebrated in a prominent way with the event being termed 'Ayush Homam'. This day will always end up being either 10 days before the actual English Birthday or 17 days after the English Birthday. As you would have guessed 10+17=27 which is the number of days for one nakshatra cycle to get covered. The reason it occurs on either 10 days before or 17 days after is because it also has to coincide with the solar month in which one has taken birth.

Important Facts and Information with respect to Janma Nakshatra:
- The Janma Nakshatra should be celebrated based upon the Luni-Solar month
A lunisolar calendar is a calendar whose date indicates a mixture of both the phase of the Moon and the time of the solar year, hence a combination of the lunar as well as the solar calendar. As an illustration let's say someone were born in the constellation of Rohini on Jan 21st in the solar month of Thai which usually runs from around mid of January to mid of February. Hence while celebrating birthday based on Janma Nakshatra, both these factors need to be ensured. There could be a case of Rohini Nakshatra to occur on say Jan 13th and at that time the solar month of Thai wouldn't have begun yet. Thus in such a case, celebration should be deferred until around Feb 9th or 10th when Rohini Nakshatra would coincide with the Tamil month of Thai. In such a case, the Janma Nakshatra Birthday could be almost 20 days away from one's actual English Birthday but the rule of Nakshatra coinciding with the solar month should always be adhered to.

- Birth Star occurring twice in a Solar month, only second one should be considered
If the Janma Nakshatra occurs twice within a given solar month, only the second occasion needs to be pigeonholed as Janma Nakshatra Birthday. Let's say someone was born in Revathi Nakshatra during the month of Chaitra which normally runs from Apr 14th to May 14th. Suppose Revathi star occurs twice within this phase for instance both on Apr 15th and May 12th, only the latter date of 12th May needs to be considered for the purpose of celebrating Birthday based on Janma Nakshatra

- Birth Star falling in 2 consecutive Solar Days, only second one to be considered
There can be instances of one's Nakshatra falling across 2 days. In such a case only the second one needs to be considered. The important thing to note is that Sunrise should be prevalent and hence the second date gains prominence. Even in cases where the birth star runs before Sunrise on Day1 and ends after Sunrise on Day2, the second day only should be taken into account. Only in such a scenario where the sunrise lasts for less than a third of the Nadika or a sixth of a Muhurtha which is just about 8 minutes on the second day, on that basis alone the first day can be considered presuming the Nakshatra started before Sunrise on Day1. However in extreme cases of Sunrise not being prevalent on both days, then the Janma Nakshatra day should be put on hold and be taken into consideration only in the next Solar month though it would end up being different from the solar month in which one were born.

Note:
The below is to understand how the calculation works. For simplicity we are taking 365 Days as Solar Year and Moon Year as 355 Days. But in actuality the Solar year is around 365.25 Days and a Moon's rotation within a complete solar year of 360 Degrees is around 13 times and takes 355.16 Days. You would see that in the 19th year the reminder is just 1 only because we have not considered fractions and likewise for 38th year it is 2, again on account of not taking the fractions which if taken ends up being close to nil and makes the English Birthday and Star Birthday tally exactly.

Year 1: Solar Cycle 365 Days Moon Cycle 355 Days Difference = 10 Days

Year 2 : Solar Cycle 365*2 Days Moon Cycle 355*2 Days Difference = 20 Days

Year 3 : Solar Cycle 365*3 Days Moon Cycle 355*3 Days Difference = 30 Days but one extra cycle formed by Moon of 27 Days, hence net difference = 3 Days (30-27)

Year 4 : Solar Cycle 365*4 Days Moon Cycle 355*4 Days Difference = 40 but one extra cycle formed by Moon of 27 Days, hence net difference = 13 Days (40-27)

Year 5 : Solar Cycle 365*5 Days Moon Cycle 355*5 Days Difference = 50 but one extra cycle formed by Moon of 27 Days, hence net difference = 23 Days (50-27)

Year 6 : Solar Cycle 365*6 Days Moon Cycle 355*6 Days Difference = 60 but two extra cycle formed by Moon of 27 Days, hence net difference = 6 Days (60-54)

Year 7 : Solar Cycle 365*7 Days Moon Cycle 355*7 Days Difference = 70 but two extra cycle formed by Moon of 27 Days, hence net difference = 16 Days (70-54)
Year 8 : Solar Cycle 365*8 Days Moon Cycle 355*8 Days Difference = 80 but two extra cycle formed by Moon of 27 Days, hence net difference = 26 Days (80-54)
Year 9 : Solar Cycle 365*9 Days Moon Cycle 355*9 Days Difference = 90 but three extra cycle formed by Moon of 27 Days, hence net difference = 9 Days (90-81)
Year 10 : Solar Cycle 365*10 Days Moon Cycle 355*10 Days Difference = 100 but three extra cycle formed by Moon of 27 Days, hence net difference = 19 Days (100-81)
Year 19 : Solar Cycle 365*19 Days Moon Cycle 355*19 Days Difference = 190 but seven extra cycle formed by Moon of 27 Days, hence net difference = 1 Days (190-189)

Year 30 : Solar Cycle 365*30 Days Moon Cycle 355*30 Days Difference = 300 but seven extra cycle formed by Moon of 27 Days, hence net difference = 3 Days (300-297)

Year 38 : Solar Cycle 365*38 Days Moon Cycle 355*38 Days Difference = 380 but fourteen extra cycle formed by Moon of 27 Days, hence net difference = 2 Days (380-378)

It should also be noted that every once in 3 years an extra month called Adhik maasa (365 solar year less 355 day lunar year = 10 days a year*3 years = 30 days or 1 month) is added as a technical correction in order to bridge the difference and synchronize the lunar and solar calendar. However this has no bearing with respect to the Moon's revolution across the 27 Nakshatras or 360 degree zodiacal orbit path.