What a nakshatra is. The Moon's path round the sky, cut into 27 equal arcs of 13.3333° each. Yours is the arc the Moon stood in at the moment you were born. Every one of the 27 is exactly the same width, which matters for the question below: nothing about the division itself can make one commoner than another.
Why the counts cannot differ. The Moon never travels backwards through the zodiac, the way Mercury and Mars appear to. It goes 1, 2, 3 and on to 27, then starts again, about once a month. Over 76 years it made 27,432 complete crossings. That number divides by 27 exactly.
Which nakshatra is the most common?
None of them, by count. Each of the 27 was entered exactly 1,016 times between 1950 and 2025. By share of time the leader is Magha, at 3.7185% against the 3.7037% an even split would give. That lead is 0.8% of a share, and it does not survive measuring a different stretch of years.
3.7185%
most time — Magha
Of the Moon's 76 years in the window.
3.6888%
least time — Dhanishta
The gap between the two is 0.0297 of a percentage point.
0.8%
the whole spread, top to bottom
Measured against an even share of 3.7037%. 8 parts in a thousand.
even · 3.7037%
Share of time in each of the 27 nakshatras, numbered 1 to 27: 1 Ashwini 3.7007%, 2 Bharani 3.7041%, 3 Krittika 3.7071%, 4 Rohini 3.7103%, 5 Mrigashira 3.7124%, 6 Ardra 3.7143%, 7 Punarvasu 3.7160%, 8 Pushya 3.7175%, 9 Ashlesha 3.7184%, 10 Magha 3.7185%, 11 Purva Phalguni 3.7175%, 12 Uttara Phalguni 3.7154%, 13 Hasta 3.7124%, 14 Chitra 3.7088%, 15 Swati 3.7051%, 16 Vishakha 3.7016%, 17 Anuradha 3.6985%, 18 Jyeshtha 3.6959%, 19 Mula 3.6937%, 20 Purva Ashadha 3.6918%, 21 Uttara Ashadha 3.6903%, 22 Shravana 3.6892%, 23 Dhanishta 3.6888%, 24 Shatabhisha 3.6894%, 25 Purva Bhadrapada 3.6911%, 26 Uttara Bhadrapada 3.6938%, 27 Revati 3.6972%.Twenty-seven bars against the 3.7037% an even share would give. The tallest is Magha and the shortest Dhanishta, and the whole distance between them is 0.8% of the bar. You cannot see it, which is the finding.
Does that ranking mean anything?
No, and the same measurement says so. Split the window in half and the answer changes. Over 1950 to 1987 the leader was Rohini. Over 1988 to 2025 it was Uttara Phalguni. Magha, which leads across the whole 76 years, is 11th in the first half and 6th in the second.
One nakshatra moves 20 places out of 27 between the two halves. The reason is the Moon's perigee, the point of its orbit where it is nearest to us and moving fastest. That point drifts right round the zodiac in about nine years. Over a long enough stretch every arc gets its turn at being crossed slowly, and the shares flatten. 76 years is not a whole number of those drifts, and the leftover is the entire lead above.
Three stretches of the same sky give three different winners. The "most common nakshatra" is a fact about the years somebody measured, not about the sky.
How long does the Moon stay in one nakshatra?
A little over a day. The mean crossing is 24 hours 17 minutes, which is a sidereal month divided by 27. But it runs from 20 hours 49 minutes to 27 hours 12 minutes. The Moon speeds up as it comes closer to us and slows as it moves away, so a crossing near perigee is more than six hours shorter than one near apogee. This is where the variation actually lives.
Crossing lengths in whole-hour bands, labelled by the lower edge: 20 to 21 hours, 0.9%; 21 to 22 hours, 13.3%; 22 to 23 hours, 19.2%; 23 to 24 hours, 14.1%; 24 to 25 hours, 11.9%; 25 to 26 hours, 13.1%; 26 to 27 hours, 22.2%; 27 to 28 hours, 5.4%.Two humps with a dip between them, and the dip sits on the average. The 24-hour band holds 11.9% of crossings, against 19.2% and 22.2% either side. The Moon spends more of its month near the fast end and the slow end of its speed than in the middle, so the average length is one of the less likely lengths.
The shortest crossing in the window was Purva Phalguni, 20 hours 49 minutes from 7 March 1993. The longest was Mula, 27 hours 12 minutes from 28 January 1965. Both are dated so you can check either against any almanac that prints start and end times.
Can a nakshatra pass without any day being named for it?
Yes, and the shortest crossings are how. An almanac names each day for the arc the Moon is in at sunrise. Sunrises are about 24 hours apart. The shortest crossing here was 20 hours 49 minutes, short enough to begin after one sunrise and end before the next, so no day is named for it.
The chart page reads the Moon's position for one moment rather than for one sunrise, so it gives the arc the Moon was actually in, with the pada and the pada's lord.
Questions people ask about nakshatras
Which nakshatra is the most common?
By count, none. The Moon enters all 27 in strict rotation, so between 1950 and 2025 each was entered exactly 1,016 times. By share of time Magha leads, at 3.7185% against an even 3.7037% — a lead of 8 parts in a thousand.
Which nakshatra is the rarest?
Dhanishta took the least time over this window, at 3.6888%. That is not rarity. It is 0.8% below an even share, it was entered the same number of times as every other arc, and a different stretch of years puts a different one last.
Is my nakshatra rare or special?
Not rare: all 27 come up equally often, and the shares of time differ by 0.8%. Anything described as a rare nakshatra is describing something other than how often it occurs. What the texts assign to each one is a separate question from how common it is.
How long does the Moon stay in one nakshatra?
24 hours 17 minutes on average, which is one sidereal month divided by 27. The measured range over 27,432 crossings is 20 hours 49 minutes to 27 hours 12 minutes, because the Moon travels faster when it is nearer to us.
Why do two sites give me different nakshatras?
Usually one of two reasons. It is read from a sidereal zodiac, so a site using tropical longitudes is about two arcs away. Or the Moon crossed a boundary near the birth time, and a few minutes of difference in the time or the place moves it across.
Are there 27 nakshatras or 28?
Both divisions exist. The 27 are equal arcs of 13°20′ and are what this engine computes. A 28-fold version inserts Abhijit between Uttara Ashadha and Shravana, which makes the arcs unequal. Every figure on this page is from the 27-arc division.
What this does not cover
- This measures time, not births. It is how long the Moon spends in each arc, which is the share of births only if births are spread evenly through the year. They are not — human births have real seasonal patterns — and nothing here measures that.
- Lahiri ayanamsa only. The boundaries are fixed to the stars through one ayanamsa, and this engine computes Lahiri and no other. A different ayanamsa moves every boundary, and moves these figures with it.
- The window decides the order. 1950 to 2025, chosen because the rest of this blog uses it. A different window puts a different arc on top. That is the post's point rather than a caveat to it, but it is worth stating as a limit too.
- Complete crossings only. The part-crossings at either end of the window are bounded by a moment outside it, so counting them would weight two arcs by where the calendar happens to start.
- The 27-fold division. Some traditions work with 28, inserting Abhijit, which makes the arcs unequal and would change every share here.
- Nothing here says what a nakshatra means. This is a count of hours. What the texts assign to each one is a different question, and the answer to it is not a prediction either.