Born on March 21

March 21 zodiac sign

If you were born on March 21, your Sun sign is Pisces or Aries. This is a cusp day, when the Sun crosses from one sign into the next at a different hour each year.

The first spark of the zodiac, born as the year begins again.

FireCardinalMars

On March 21 the Sun is crossing the last degree of Pisces into the first degree of Aries.

In 97% of years the Sun had already reached Aries by midday on March 21 in Greenwich. Your exact birth year, time and place decide which side you were born on.

Find your exact Sun degree

Add your birth year, and your time and place if you know them. Hali will work out exactly where the Sun stood when you arrived, and when it next returns there.

Birth time

Your birthday star

Scheat

Every year on March 20, the eve of your birthday, the Sun passes Scheat. The leg of Pegasus, sitting on the very last degree of the zodiac. A star of free thinkers and inventors.

Scheat sits at 29° Pisces.

The stars truly behind your Sun

On March 21 the Sun stands in front of the stars of Pisces, the fishes, even though the sign is Aries. Astrologers' signs follow the seasons, and over two thousand years the seasons have slipped about a whole sign against the stars.

See the real sky behind your whole chart

March 21 in every year from 1940 to 2025

The Moon, Mercury and Venus keep moving too. Open your decade to see where they were on your birthday. Times are Greenwich time (UTC), so if the Moon changed sign that day, your birth time and place decide which side of the line you were born on.

The 1940s
YearMoonMercuryVenus
1940Leo, then Virgo from 15:21Pisces, retrogradeTaurus
1941CapricornPiscesPisces
1942TaurusPiscesAquarius
1943Virgo, then Libra from 21:21PiscesAries
1944AquariusAriesPisces
1945CancerAriesTaurus
1946ScorpioAries, retrogradeAries
1947PiscesPisces, retrogradeAquarius
1948LeoPiscesTaurus
1949Sagittarius, then Capricorn from 12:05PiscesPisces
The 1950s
YearMoonMercuryVenus
1950Aries, then Taurus from 08:32PiscesAquarius
1951Leo, then Virgo from 01:39AriesTaurus
1952Capricorn, then Aquarius from 07:55AriesPisces
1953GeminiPisces, retrogradeTaurus
1954LibraPiscesAries
1955Aquarius, then Pisces from 19:45PiscesAquarius
1956Cancer, then Leo from 21:31PiscesTaurus
1957SagittariusAriesPisces
1958AriesAriesAquarius
1959LeoAries, retrogradeTaurus
The 1960s
YearMoonMercuryVenus
1960CapricornPisces, retrogradePisces
1961Taurus, then Gemini from 10:32PiscesAries
1962Virgo, then Libra from 07:29PiscesAries
1963Capricorn, then Aquarius from 01:22PiscesAquarius
1964CancerAriesTaurus
1965ScorpioAriesPisces
1966PiscesAries, retrogradeAquarius
1967Cancer, then Leo from 18:04PiscesTaurus
1968Sagittarius, then Capricorn from 09:35PiscesPisces
1969TaurusPiscesAries
The 1970s
YearMoonMercuryVenus
1970VirgoPiscesAries
1971CapricornAriesAquarius
1972Gemini, then Cancer from 23:27AriesTaurus
1973Libra, then Scorpio from 11:16Pisces, retrogradePisces
1974Aquarius, then Pisces from 06:34PiscesAquarius
1975CancerPiscesTaurus
1976SagittariusPiscesPisces
1977AriesAriesAries
1978LeoAriesAries
1979Sagittarius, then Capricorn from 10:57Aries, retrogradeAquarius
The 1980s
YearMoonMercuryVenus
1980Taurus, then Gemini from 01:48PiscesTaurus
1981LibraPiscesPisces
1982AquariusPiscesAquarius
1983GeminiPiscesTaurus
1984Scorpio, then Sagittarius from 17:41AriesPisces
1985Pisces, then Aries from 10:21AriesAries
1986Cancer, then Leo from 07:39Pisces, retrogradeAries
1987SagittariusPiscesAquarius
1988TaurusPiscesTaurus
1989VirgoPiscesPisces
The 1990s
YearMoonMercuryVenus
1990CapricornAriesAquarius
1991GeminiAriesTaurus
1992ScorpioAries, retrogradePisces
1993PiscesPisces, retrogradeAries
1994CancerPiscesAries
1995Scorpio, then Sagittarius from 12:58PiscesAquarius
1996Aries, then Taurus from 16:59PiscesTaurus
1997Leo, then Virgo from 09:00AriesPisces
1998Sagittarius, then Capricorn from 06:44AriesAquarius
1999TaurusPisces, retrogradeTaurus
The 2000s
YearMoonMercuryVenus
2000LibraPiscesPisces
2001AquariusPiscesAries
2002GeminiPiscesAries
2003ScorpioPiscesAquarius
2004AriesAriesTaurus
2005LeoAries, retrogradePisces
2006SagittariusPisces, retrogradeAquarius
2007Aries, then Taurus from 05:16PiscesTaurus
2008Virgo, then Libra from 15:45PiscesPisces
2009Capricorn, then Aquarius from 10:07PiscesAries
The 2010s
YearMoonMercuryVenus
2010Taurus, then Gemini from 00:29AriesAries
2011Libra, then Scorpio from 19:17AriesAquarius
2012PiscesAries, retrogradeTaurus
2013CancerPiscesPisces
2014Scorpio, then Sagittarius from 15:39PiscesAquarius
2015AriesPiscesTaurus
2016VirgoPiscesPisces
2017CapricornAriesAries
2018TaurusAriesAries
2019Virgo, then Libra from 01:28Pisces, retrogradeAquarius
The 2020s
YearMoonMercuryVenus
2020Aquarius, then Pisces from 12:34PiscesTaurus
2021Gemini, then Cancer from 12:18PiscesPisces
2022ScorpioPiscesAquarius
2023Pisces, then Aries from 16:02AriesTaurus
2024LeoAriesPisces
2025SagittariusAries, retrogradeAries

Moon at midnight and the minute it changed sign, Mercury and Venus at noon, all Greenwich time. Your exact placements need your birth time and place. Find your exact Moon sign

How common is a March 21 birthday?

In US birth records from 1994 to 2014, an average of 11,181 babies were born on March 21 each year. That makes it number 153 of 366 birthdays, where 1 is the most common. That is about the same as an average day.

See every birthday and sign ranked

More from our studies: The rarest rising sign, city by city · How rare is your Big Three? · Were you born with Mercury retrograde?

The Aries in you

Your gift

Courage. Stand next to you for five minutes and people find they are braver too.

Your growing edge

Patience. The fire that starts everything can burn out before the finish, so your work is learning to stay.

Your decan, the first part of Aries

Ruled by Mars

Mars rules this decan as well as the sign, so you get Aries at full strength. Direct, quick and honest to a fault, you would rather try and fail than wait and wonder.

Read about the first decan of Aries

Born before the Sun reached Aries? Your story still belongs to Pisces. Read your Pisces birthday

When the Sun changed sign, year by year

Every year the Sun crossed from Pisces into Aries around March 21. Times are Greenwich time (UTC), so add or subtract your birthplace's offset. Find your year to see which side you were born on.

1930Mar 21, 08:29
1931Mar 21, 14:06
1932Mar 20, 19:53
1933Mar 21, 01:43
1934Mar 21, 07:27
1935Mar 21, 13:17
1936Mar 20, 18:57
1937Mar 21, 00:45
1938Mar 21, 06:42
1939Mar 21, 12:28
1940Mar 20, 18:23
1941Mar 21, 00:20
1942Mar 21, 06:10
1943Mar 21, 12:02
1944Mar 20, 17:48
1945Mar 20, 23:37
1946Mar 21, 05:32
1947Mar 21, 11:12
1948Mar 20, 16:56
1949Mar 20, 22:48
1950Mar 21, 04:34
1951Mar 21, 10:25
1952Mar 20, 16:13
1953Mar 20, 22:00
1954Mar 21, 03:53
1955Mar 21, 09:35
1956Mar 20, 15:20
1957Mar 20, 21:16
1958Mar 21, 03:05
1959Mar 21, 08:54
1960Mar 20, 14:42
1961Mar 20, 20:32
1962Mar 21, 02:29
1963Mar 21, 08:19
1964Mar 20, 14:09
1965Mar 20, 20:04
1966Mar 21, 01:52
1967Mar 21, 07:36
1968Mar 20, 13:21
1969Mar 20, 19:08
1970Mar 21, 00:56
1971Mar 21, 06:38
1972Mar 20, 12:21
1973Mar 20, 18:12
1974Mar 21, 00:06
1975Mar 21, 05:56
1976Mar 20, 11:49
1977Mar 20, 17:42
1978Mar 20, 23:33
1979Mar 21, 05:21
1980Mar 20, 11:09
1981Mar 20, 17:02
1982Mar 20, 22:55
1983Mar 21, 04:38
1984Mar 20, 10:24
1985Mar 20, 16:13
1986Mar 20, 22:02
1987Mar 21, 03:52
1989Mar 20, 15:28
1990Mar 20, 21:19
1991Mar 21, 03:02
1993Mar 20, 14:40
1994Mar 20, 20:27
1995Mar 21, 02:14
1997Mar 20, 13:54
1998Mar 20, 19:54
1999Mar 21, 01:46
2001Mar 20, 13:30
2002Mar 20, 19:16
2003Mar 21, 01:00
2005Mar 20, 12:33
2006Mar 20, 18:25
2007Mar 21, 00:07
2009Mar 20, 11:43
2010Mar 20, 17:31
2011Mar 20, 23:20
2013Mar 20, 11:01
2014Mar 20, 16:56
2015Mar 20, 22:45
2017Mar 20, 10:28
2018Mar 20, 16:15
2019Mar 20, 21:58
2022Mar 20, 15:33
2023Mar 20, 21:24
2026Mar 20, 14:45
2027Mar 20, 20:24
2030Mar 20, 13:51
2031Mar 20, 19:40
2034Mar 20, 13:17
2035Mar 20, 19:03
2038Mar 20, 12:40
2039Mar 20, 18:31
2042Mar 20, 11:52
2043Mar 20, 17:27
2046Mar 20, 10:57
2047Mar 20, 16:52
2050Mar 20, 10:19

Questions about March 21

What zodiac sign is March 21?

If you were born on March 21, your Sun sign is Pisces or Aries. This is a cusp day, when the Sun crosses from one sign into the next at a different hour each year.

Is March 21 a cusp birthday?

Yes. The Sun moves from Pisces into Aries around this day, at a different hour each year, so people born on March 21 can be either sign. Check your birth year above to see which you are.

What is the birthday star for March 21?

Every year on March 20, the eve of your birthday, the Sun passes Scheat. The leg of Pegasus, sitting on the very last degree of the zodiac. A star of free thinkers and inventors.

What was the Moon sign on March 21?

It depends on the year, because the Moon changes sign about every two and a half days. On March 21 2025 the Moon was in Sagittarius, and on March 21 2024 it was in Leo. Find your year in the table above, and add your birth time for the exact sign.

What constellation is the Sun in on March 21?

On March 21 the Sun stands in front of the stars of Pisces, the fishes, even though the sign is Aries. Astrologers' signs follow the seasons, and over two thousand years the seasons have slipped about a whole sign against the stars.

Everything about AriesExact Aries dates every yearAll birthdays

Your Sun sign is one star in a whole sky. Your Moon and rising sign tell the rest of your story.

See my birth chart