Nakshatra Calculator: How to Find Your Birth Star from Your Birthday
By DailyDestiny Editorial Team
If you need your birth star for a naming ceremony, a match or simple curiosity, this guide helps you find it and trust the answer. Calculator inputs, the hand arithmetic, all 27 degree boundaries, and the birth data errors that give the wrong star.
On this page
How Does the Moon's Movement Determine Your Birth Nakshatra?
Imagine you are filling in a matrimonial profile, or your grandmother asks for your birth star before a family puja, and you realize you have no idea what it is. You try two websites and get two different answers.
The short answer: Your birth Nakshatra is the star segment the Moon was in at your exact moment of birth. A birthday alone cannot give it; your date, time and place can, through a sidereal calculator set to Lahiri. When sites disagree, the cause is almost always an input or a setting.
Why the time matters: the Moon circles Earth in about 27.3 days, crossing all 27 Nakshatras at roughly one a day. Each spans 13 degrees 20 minutes (800 arc-minutes), and the Moon averages about 13 degrees 11 minutes a day. Its elliptical orbit varies the speed: at perigee (closest) up to 15 degrees a day, crossing a Nakshatra in about 21 hours; at apogee (farthest) about 12 degrees, staying nearly 27 hours.
So one calendar date gives different birth stars in different years, and even a single date can hold two, depending on the hour. Picture the Moon as a train passing 27 stations, about one a day: your star is the station it was at when you arrived.
A calculator uses astronomical algorithms (usually the Swiss Ephemeris) to find the Moon's exact sidereal longitude, then divides by 13.333 degrees. The quotient gives the Nakshatra number; the remainder, the position inside it, sets the Pada.
The Surya Siddhanta gives traditional methods for the Moon's position, using epicycles and corrections accurate to within a few arc-minutes for dates within a few centuries of the text's compilation. Modern software uses the Swiss Ephemeris, which draws on NASA's Jet Propulsion Laboratory data and is accurate to fractions of an arc-second.
The two agree closely for recent centuries, which is why a hand-worked Panchang figure and a software figure almost always land in the same Nakshatra, differing only in the last arc-minutes. Where they can part company is at a Pada boundary, the one place worth checking both. For what each of the 27 birth stars means once you have yours, see Nakshatras: Complete Guide to the 27 Lunar Mansions in Vedic Astrology.
How accurate does my birth time need to be?
For the Nakshatra, within an hour is usually enough, since the Moon takes about 24 hours per Nakshatra. The Pada needs more precision, as each spans about 6 hours. For an exact Dasha balance, you want 5-10 minutes, because even a 15-minute error can shift the balance by several months. Hospital records are usually good enough; family memories like around morning may need rectification by a Vedic astrologer.
What happens at Nakshatra boundaries?
If the Moon was in the last degree of one Nakshatra or the first of the next, a small time error can flip the result to the neighbor. That changes your starting Dasha planet and the whole predictive sequence. If you were born at such a moment, birth time rectification against known life events is essential: an experienced astrologer tests both possible Nakshatras and sees which Dasha sequence matches your real life.
Why does my Nakshatra differ from my friend's when we share a birthday?
Because the Moon completes its circuit of 27 Nakshatras in 27.3 days, not 365. The same calendar date lands on a different point of the lunar cycle each year, drifting by about 11 days' worth of Moon travel annually. Sharing a birthday guarantees a shared Sun sign and nothing more. Only people born within roughly the same 24 hours of the same year share a Nakshatra, and even then their Padas can differ.
How Do You Calculate Your Nakshatra by Hand from Your Birth Date and Time?
Like to check things yourself? You need four steps, an ephemeris and a calculator.
Step one: look up the Moon's tropical longitude for your birth date, given as sign and degree, and turn it into a figure from 0 to 360 by adding 30 degrees per completed sign. So 11 degrees 06 minutes of Gemini becomes 71.10 degrees.
Step two: subtract the Lahiri ayanamsa for your birth year to get the sidereal longitude. Lahiri passed roughly 23 degrees 51 minutes around the turn of the millennium and grows by about 50.3 arc-seconds a year, close to one degree every 72 years. A 1978 birth uses roughly 23 degrees 33 minutes; a 2020 birth roughly 24 degrees 08 minutes.
Step three: divide the sidereal longitude by 13.3333. The whole number plus one is your Nakshatra, counting from Ashwini.
Step four: take the leftover degrees inside that Nakshatra, divide by 3.3333 and add one for the Pada.
Worked through: 71.10 minus an ayanamsa of 23.90 gives 47.20 degrees sidereal. 47.20 divided by 13.3333 is 3.54, so the fourth Nakshatra, Rohini. Rohini starts at 40 degrees, leaving 7.20 elapsed; 7.20 divided by 3.3333 is 2.16, so Pada 3. That birth star is Rohini Pada 3, ruled by the Moon, with a Gemini Navamsha and the traditional name syllable Vi.
This boundary table turns any sidereal Moon longitude into a Nakshatra without dividing. In decimal degrees from 0 Aries:
Ashwini 0.00 to 13.33 (Ketu); Bharani 13.33 to 26.67 (Venus); Krittika 26.67 to 40.00 (Sun); Rohini 40.00 to 53.33 (Moon); Mrigashira 53.33 to 66.67 (Mars); Ardra 66.67 to 80.00 (Rahu); Punarvasu 80.00 to 93.33 (Jupiter); Pushya 93.33 to 106.67 (Saturn); Ashlesha 106.67 to 120.00 (Mercury).
Magha 120.00 to 133.33 (Ketu); Purva Phalguni 133.33 to 146.67 (Venus); Uttara Phalguni 146.67 to 160.00 (Sun); Hasta 160.00 to 173.33 (Moon); Chitra 173.33 to 186.67 (Mars); Swati 186.67 to 200.00 (Rahu); Vishakha 200.00 to 213.33 (Jupiter); Anuradha 213.33 to 226.67 (Saturn); Jyeshtha 226.67 to 240.00 (Mercury).
Moola 240.00 to 253.33 (Ketu); Purva Ashadha 253.33 to 266.67 (Venus); Uttara Ashadha 266.67 to 280.00 (Sun); Shravana 280.00 to 293.33 (Moon); Dhanishtha 293.33 to 306.67 (Mars); Shatabhisha 306.67 to 320.00 (Rahu); Purva Bhadrapada 320.00 to 333.33 (Jupiter); Uttara Bhadrapada 333.33 to 346.67 (Saturn); Revati 346.67 to 360.00 (Mercury).
Every boundary is a multiple of 13 and one third degrees and every Pada boundary a multiple of 3 and one third, which is why the math stays clean in decimals and gets ugly in degrees and minutes.
How do you find the Moon's position for your birth date without astrology software?
Three printed sources work. A Vedic Panchang for your birth year lists each date's Nakshatra and the clock time it ends, the most direct route since it skips the math. A sidereal ephemeris such as the Lahiri ephemeris gives the Moon's sidereal longitude directly, usually for 5:30 AM IST. A Western ephemeris gives tropical longitudes, usually for midnight or noon Greenwich, and you subtract the ayanamsa yourself. Whichever you use, note its reference time, because that is the moment you interpolate from.
How do you interpolate the Moon's position between ephemeris entries?
Use simple proportion. Subtract the Moon's longitude at the start of your birth date from the next day's to get the day's travel, usually 12 to 15 degrees. Work out the fraction of 24 hours elapsed at your birth, from the ephemeris reference moment in the same time standard, multiply, and add to the starting longitude. A Moon traveling 13.44 degrees, with birth 9 hours after the reference, moves 13.44 x 0.375 = 5.04 degrees. Linear interpolation is accurate to a few arc-minutes, enough for the Nakshatra and usually the Pada.
What is the fastest way to read a Nakshatra off a Panchang?
Find your birth date, read the Nakshatra named, and check the ending time beside it. Born before that time? That Nakshatra is yours. Born after? Yours is the next one in the sequence from Ashwini to Revati, usually named on the same line. The one trap: Indian Panchangs print ending times in IST for a specific city, so for a birth outside India, convert the ending time first.
How Do You Calculate Your Nakshatra Pada and What Does It Reveal?
Once you know your star, the Pada is the finer detail that often matters most in real life, for your Navamsha, your name and your timeline. Each Nakshatra of 13 degrees 20 minutes splits into four equal Padas of 3 degrees 20 minutes (200 arc-minutes), the first Pada covering the first quarter, and so on. Your Pada does three jobs.
It sets your Navamsha sign. The 108 Padas cycle through the 12 signs in order, each set of 9 Padas (one sign's worth of Nakshatras) covering all 12 Navamsha signs. Your Moon's Navamsha sign is read for deep emotional patterns, marriage tendencies and spiritual orientation.
It gives your traditional name syllable. Each of the 108 Padas has its own Sanskrit syllables, linking your birth moment to your spoken name. This is the one for you if you are naming a new baby.
It fixes your Dasha starting balance. The Moon's exact position sets how much of the first Mahadasha had passed at birth, and so the timing of every later Dasha change.
The Pada system mirrors the Navamsha chart exactly. 108 Padas (27 Nakshatras x 4) equal 108 Navamsha divisions (12 signs x 9). The first Pada of Ashwini (in Aries) is Aries Navamsha, the second Taurus, the third Gemini, the fourth Cancer. The first Pada of Bharani is Leo Navamsha, and the sequence continues.
So the Nakshatra-Pada system and the Navamsha are the same division of the zodiac seen from two sides, and practitioners use that as a shortcut, reading the Moon's Navamsha sign straight off the Pada without casting the whole chart.
How do you find the traditional name syllable for each Pada?
Each Pada has assigned Sanskrit syllables. For the first three Nakshatras: Ashwini Padas 1 to 4 are Chu, Che, Cho, La. Bharani Padas 1 to 4 are Li, Lu, Le, Lo. Krittika Padas 1 to 4 are Aa, Ee, Oo, Ae. The full list is in Panchanga reference tables and most Vedic software. Many Indian families use these syllables for naming newborns, often pairing the traditional starting sound with a modern name.
Can the Pada determine the starting letter of names in other languages?
The system assigns Sanskrit syllables, but many families adapt them to their own language. A Pada with Chu might lead to Chukka in Telugu, Chunilal in Hindi, or Charles for a family wanting an English name with the right opening sound. The idea behind it is that the vibration of a name's first sound should resonate with the cosmic frequency active at birth, and that can be applied in any language by matching the opening sound.
How much birth time error does it take to change my Pada?
A Pada spans 3 degrees 20 minutes, which the Moon covers in about six hours. A six-hour error always changes it; a three-hour error changes it about half the time. Put the other way, every 15 minutes of error moves the Moon about 8 arc-minutes, 4 percent of a Pada. That is harmless mid-Pada and decisive within 10 arc-minutes of an edge. If your calculator puts the Moon within the first or last 15 arc-minutes of a Pada, treat the Pada, Navamsha sign and name syllable as provisional until you confirm the time from a written record.
What Birth Data Mistakes Produce the Wrong Nakshatra Result?
Two websites, two different stars? Almost every wrong result comes from bad input, not bad math, and four mistakes cause most of them.
Daylight saving time left unadjusted. A summer birth in the United States, Britain or continental Europe is usually recorded in clock time an hour ahead of standard time. A calculator applying the standard offset puts the Moon about half a degree off.
The wrong time zone. This happens when the birth city is typed as a same-name city in another country, or a historic zone differs from today's. Indian births in the first half of the twentieth century may be recorded in Bombay or Calcutta local time rather than IST, and British wartime births can carry a double summer time offset.
A rounded birth time. Hospital staff often record to the nearest five or ten minutes, and family memory to the nearest half hour. Fine mid-Nakshatra, fatal at a boundary.
A non-Lahiri ayanamsa setting, which quietly shifts every sidereal longitude in the chart.
The Moon travels about 33 arc-minutes an hour, so an hour of error is about 4 percent of a Nakshatra and 16 percent of a Pada: invisible most of the time, decisive near an edge.
Serious software has one more setting to check: geocentric versus topocentric. The Moon is close enough that your spot on Earth's surface shifts its apparent position against the stars by up to roughly one degree, an effect called lunar parallax, larger for the Moon than for any other body used in Jyotish.
Vedic Nakshatra calculation is geocentric, treating the Moon as seen from Earth's center, the default in Jagannatha Hora and online calculators. In topocentric mode the Moon can move a good part of a Pada and sometimes across a Nakshatra boundary. Keep it geocentric unless you are deliberately testing a topocentric method, and if two programs agree on everything but your Pada, compare this setting early.
Does daylight saving time change my Nakshatra result?
Whenever the Moon is within about half a degree of a boundary, yes, because an uncorrected hour moves it about 33 arc-minutes. Enter the time exactly as written on the record with the correct daylight saving flag and let the software convert. Entering a pre-adjusted time plus an automatic adjustment corrects twice and creates a two-hour error. Records from countries that changed their daylight rules over the decades are worth checking against a historical time zone database or a birth certificate that names the time standard.
Which ayanamsa setting should I use in a Nakshatra calculator?
Lahiri, also labeled Chitrapaksha, the default in Indian software and the value assumed when a Nakshatra is quoted without qualification. KP and True Chitra Paksha differ by only a few arc-minutes and matter only for a Moon almost exactly on a boundary. Raman is roughly a degree and a half smaller, pushing every sidereal longitude forward by that amount, which can change the Pada in most charts and the Nakshatra in a minority. Why these values differ is covered in Sidereal Astrology Explained: The Star-Based Zodiac System.
What should I do if two calculators give me different Nakshatras?
Check four things in order. The ayanamsa, since Lahiri versus Raman is the commonest cause. The time zone and daylight saving offset each program applied, which good software shows beside the birth data. The Moon's longitude in degrees rather than the name: a few arc-minutes apart means a boundary birth, a degree or more a settings mismatch. If the longitudes agree and the Moon sits within a few arc-minutes of an edge, it is a birth time question, and only rectification against life events can settle it.
How Does Your Nakshatra Lord Connect to the Dasha System?
Your birth star does not just describe you; in Vedic astrology it also sets the clock for your life's chapters. Each Nakshatra is ruled by one of the nine Dasha planets, three Nakshatras each, spaced nine apart. Find yours:
Ketu: Ashwini, Magha, Moola.
Venus: Bharani, Purva Phalguni, Purva Ashadha.
Sun: Krittika, Uttara Phalguni, Uttara Ashadha.
Moon: Rohini, Hasta, Shravana.
Mars: Mrigashira, Chitra, Dhanishtha.
Rahu: Ardra, Swati, Shatabhisha.
Jupiter: Punarvasu, Vishakha, Purva Bhadrapada.
Saturn: Pushya, Anuradha, Uttara Bhadrapada.
Mercury: Ashlesha, Jyeshtha, Revati.
The ruler of your birth Nakshatra is your first Mahadasha lord, and the balance of its period comes from the share of the Nakshatra the Moon still had to travel. So two people in the same Nakshatra but different Padas get different starting balances and reach their Dasha changes at different ages. The 120-year cycle itself is covered in The Vimshottari Dasha System: The 120-Year Planetary Cycle Explained; the calculator gives you the entry point.
Each planet's three Nakshatras sit 120 degrees apart (nine Nakshatras), a trine, so they fall in different signs and modalities, giving the planet varied expression. Ketu's three (Ashwini in Aries, Magha in Leo, Moola in Sagittarius) are all in fire signs, while Jupiter's three (Punarvasu, Vishakha, Purva Bhadrapada) each straddle a sign boundary.
The handy consequence: you can find the Dasha lord from the Nakshatra number alone. Divide the number by nine, take the remainder, and count that far into the fixed order Ketu, Venus, Sun, Moon, Mars, Rahu, Jupiter, Saturn, Mercury.
How do you calculate the balance of the first Dasha from the Moon's position?
Multiply the full length of the Nakshatra lord's period by the fraction of the Nakshatra still untraveled at birth. Divide how far the Moon had moved into the Nakshatra by 13.3333 to get the elapsed fraction, and subtract from one.
A Moon 7.20 degrees into Rohini has traveled 0.54, leaving 0.46. Rohini's lord is the Moon, with a 10-year Dasha, so the birth balance is about 4 years 7 months. That sets the age the next Dasha begins, and every later change follows from it, which is why a small error in the Moon's degree grows into years of timing error decades later.
Does the Nakshatra lord affect personality as well as Dasha timing?
Yes. The lord colors how the Nakshatra's personality shows up, beyond its deity and symbols. Pushya is ruled by Saturn, giving its natives a disciplined, patient, service-minded quality alongside its nurturing deity (Brihaspati). Rohini is ruled by the Moon, amplifying the emotional sensitivity, beauty and creative fertility its deity (Brahma) already suggests. Knowing the lord joins the timing side (Dasha) and the personality side (Nakshatra qualities) into one reading.
What Are the Best Nakshatra Calculators and How Do You Use Them?
You do not need to be an expert, just a good tool and correct birth data. The best calculators use professional-grade astronomical algorithms with Lahiri as default.
Astrosage.com: the most popular free online calculator, giving your full Kundli with Nakshatra, Pada, Dasha table and divisional charts in seconds. Enter date, time and place, then find the Nakshatra beside the Moon.
Clickastro.com: a clean interface with Nakshatra reports on personality, compatibility and name syllables.
Jagannatha Hora: free Windows software, the gold standard for serious students, with multiple ayanamsa options, detailed Dasha tables and Nakshatra tools.
Cosmic Insights app (iOS and Android): beautifully designed Vedic charts with Nakshatra analysis. AstroSage Kundli app: the full Astrosage engine on your phone.
Drik Panchang: daily Nakshatra timings for a chosen city, the quickest way to confirm a result without casting a chart.
Confirm the tool defaults to Lahiri (most do) and that your birth location is right. Location sets local sidereal time, which affects the Moon's house and the Ascendant, though the Nakshatra depends mainly on the Moon's zodiacal longitude.
All modern Nakshatra calculators rely on the Swiss Ephemeris, a high-precision astronomical library maintained by Astrodienst, accurate to fractions of an arc-second, far more than Nakshatra identification needs. The risk is the input, and a wrong birth time is the commonest cause of a wrong result. Some calculators show several ayanamsa values side by side, useful when a planet sits near a sign or Nakshatra boundary.
Traditional teachers still ask students to work a few positions by hand from a Panchang before trusting software, reasoning that someone who has never done the arithmetic cannot tell a plausible output from a broken one.
How do I verify my Nakshatra result is correct?
Run the same birth data through two or three calculators (Astrosage, Clickastro, Jagannatha Hora). If they agree on Nakshatra and Pada, you can trust it. If not, the usual cause is a different default ayanamsa, so set them all to Lahiri. If your Moon is in the first or last degree of a Nakshatra, the result is sensitive to birth time, and you may want a professional astrologer to do birth time rectification.
What additional information should I look for beyond the Nakshatra name?
A complete report should show the Nakshatra name and number (1-27), the Pada (1-4), the Nakshatra lord (your starting Dasha planet), the ruling deity, the Gana (Deva/Manushya/Rakshasa), the Yoni (animal symbol), the Nadi (Vata/Pitta/Kapha), your Pada's traditional name syllables, and the Moon's exact degree within the Nakshatra. All of these feed compatibility analysis, Dasha calculation and personality reading.
Where is the Nakshatra shown in each program's output?
Each program labels it differently, which is why people miss it. Astrosage prints it in the Kundli summary as Nakshatra, with the Pada as Charan, and repeats it in the Avakhada Chakra block next to Gana, Yoni and Nadi. Jagannatha Hora shows a Nakshatra column in the planet table with the Pada as a digit after the name, such as Rohini-3, and the Moon's exact degree in the next column. Cosmic Insights shows the birth star on the main profile screen under the Moon. Clickastro names it in the report's basic details. In every case, record the Moon's line, not the Ascendant's.
Can I use a Nakshatra calculator for planets other than the Moon?
Yes. Every planet sits in a Nakshatra, and each adds depth. The Sun's Nakshatra colors your soul purpose and ego expression. Mars's affects how you channel energy and aggression. Venus's shapes your relationship style and taste. Most full Vedic calculators list the Nakshatra for every planet in the chart table. The Moon's stays primary for Dasha calculation, but all of them feed the reading.
What Should You Do With Your Nakshatra Once the Calculator Gives It to You?
You have your answer. Now make it useful by writing down five things and putting each to work: the Nakshatra name and number, the Pada, the Nakshatra lord, the Moon's exact degree, and the Dasha balance at birth. Every later technique draws on one of them.
The Nakshatra name is what you bring to character and life-theme reading, covered in Nakshatras: Complete Guide to the 27 Lunar Mansions in Vedic Astrology.
The Pada gives the Moon's Navamsha sign and your traditional name syllable.
The lord and Dasha balance give the opening chapter of your timeline and the age it hands over.
The Moon's exact degree is what you give any astrologer later, since it lets them rebuild everything else without re-entering your birth data.
The name and Pada are also the two figures a matchmaker needs, since the Ashtakoot points for Gana, Yoni, Nadi and Rashi are all read off the birth star; Vedic Astrology Compatibility: Ashtakoot Guna Milan Explained shows how they are scored. Keep all five with the birth data that produced them, including the ayanamsa, so a future recalculation can be checked against the original.
Your Janma Nakshatra is also a calendar. The Moon returns to it about every 27.3 days and Panchang apps mark the date, so you can keep a monthly personal day with no math. Traditional practice uses it for mantra to the Nakshatra deity, fasting or charity on the weekday of the Nakshatra lord, and quiet self-review.
Many South Indian families use the yearly return nearest the solar birthday for Janma Nakshatra observances, which is why some households mark two birthdays, the Gregorian date and the Nakshatra date, drifting apart and realigning over the years. A lovely thing to share with a child or grandparent.
How does the birth Nakshatra differ from the Vedic Moon sign in practice?
They come from the same Moon position read at two resolutions, and each drives different techniques. The Moon sign (Chandra Rashi) is one of 12 divisions of 30 degrees, used in most Vedic reading of emotional temperament and transits, as covered in Vedic Moon Sign (Chandra Rashi): Your Emotional Blueprint in Jyotish. The Nakshatra is one of 27 divisions of 13 degrees 20 minutes and drives the Dasha sequence, the name syllable and the compatibility points. A Moon at 47.20 degrees is Taurus by sign and Rohini Pada 3 by Nakshatra, both true of the same degree at once.
Questions people ask
How do I find my Nakshatra from my birthday?
Enter your birth date, exact time and place into a Vedic calculator such as Astrosage.com, Clickastro.com or the Jagannatha Hora software. It works out the Moon's sidereal position at your birth and names which of the 27 Nakshatras it was in. Your time needs to be accurate, because the Moon moves about 13 degrees a day and crosses a whole Nakshatra in roughly 24 hours. Without a birth time, the answer may be unclear.
Can I find my Nakshatra without knowing my birth time?
Sometimes. If the Moon stayed in one Nakshatra all day, you can. Check a Vedic ephemeris or calculator for the Moon at midnight and at noon on your birthday; if both show the same Nakshatra, that is yours. On about 30 percent of days, though, the Moon changes Nakshatra, and then you need a birth time. Even a rough one (morning, afternoon, evening) helps narrow it down.
Can I calculate my Nakshatra by hand without software?
Yes. Look up the Moon's tropical longitude for your birth date and time, subtract the Lahiri ayanamsa for that year to get the sidereal longitude, and divide by 13.3333 degrees. The whole number plus one is your Nakshatra from Ashwini; the leftover divided by 3.3333, plus one, is the Pada. A Moon at 47.20 degrees sidereal gives 3.54: the fourth Nakshatra, Rohini, 7.20 degrees in, Pada 3.
Which ayanamsa should a Nakshatra calculator use?
Lahiri (Chitrapaksha), the default in almost all Indian software and the value used by the Indian government calendar committee. KP and True Chitra Paksha sit within a few arc-minutes of it and rarely change the result. Raman sits roughly a degree and a half behind, pushing the sidereal Moon forward that much, which can move the Pada in most charts and the Nakshatra in a minority. Use Lahiri unless you deliberately follow a Raman-school astrologer.
Does my birth city change my Nakshatra?
Not directly: the Moon's geocentric position is the same for everyone on Earth at one universal moment. The calculator uses your city to convert local clock time and time zone into Universal Time, so a wrong city can apply the wrong offset and move the Moon about half a degree per hour of error. The city matters far more for the Ascendant and houses.
When does the Moon return to my birth Nakshatra each month?
About every 27.3 days, so your Janma Nakshatra day falls roughly two days earlier each month. Any Panchang app lists each date's Nakshatra, so just look for yours. Tradition treats the monthly return as a personal day for mantra, fasting or charity linked to the Nakshatra lord, and uses the yearly return nearest your solar birthday for Janma Nakshatra rituals.
What does today hold for you?
Pop in your birthday. Your reading shows up right here. No email, no account.
Try it for yourself, free
Related topics: nakshatra calculator, birth star calculator, find my nakshatra, nakshatra by birthday, birth star astrology, nakshatra pada calculator, janma nakshatra, nakshatra finder, birth star by date of birth
