Born on January 21

January 21 zodiac sign

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

The water bearer, pouring something new into the depth of winter.

AirFixedUranus, traditionally Saturn

On January 21 the Sun is crossing the last degree of Capricorn into the first degree of Aquarius.

In 100% of years the Sun had already reached Aquarius by midday on January 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

Altair

The day after your birthday, January 22, is when the Sun meets Altair each year. The flying eagle, one of the brightest stars of the summer sky. A star for bold people who leap before they are sure they can fly.

Altair sits at 2° Aquarius.

The stars truly behind your Sun

On January 21 the Sun stands in front of the stars of Capricornus, the sea goat, even though the sign is Aquarius. 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

January 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
1940GeminiCapricornPisces
1941ScorpioAquariusCapricorn
1942Pisces, then Aries from 13:08AquariusAquarius
1943Cancer, then Leo from 09:44Aquarius, retrogradeAquarius
1944Scorpio, then Sagittarius from 03:54CapricornSagittarius
1945TaurusCapricornPisces
1946VirgoCapricornCapricorn
1947CapricornCapricornSagittarius
1948Taurus, then Gemini from 21:02AquariusPisces
1949Libra, then Scorpio from 12:00AquariusCapricorn
The 1950s
YearMoonMercuryVenus
1950PiscesCapricorn, retrogradeAquarius
1951CancerCapricornAquarius
1952ScorpioCapricornSagittarius
1953AriesCapricornPisces
1954Leo, then Virgo from 14:14AquariusCapricorn
1955Sagittarius, then Capricorn from 09:10AquariusSagittarius
1956TaurusAquarius, retrogradePisces
1957LibraCapricorn, retrogradeCapricorn
1958AquariusCapricornAquarius
1959GeminiCapricornAquarius
The 1960s
YearMoonMercuryVenus
1960Libra, then Scorpio from 14:00CapricornSagittarius
1961Pisces, then Aries from 04:27AquariusPisces
1962LeoAquariusCapricorn
1963SagittariusCapricorn, retrogradeSagittarius
1964AriesCapricornPisces
1965Virgo, then Libra from 20:28CapricornCapricorn
1966Capricorn, then Aquarius from 13:26CapricornAquarius
1967Taurus, then Gemini from 10:39AquariusAquarius
1968LibraAquariusSagittarius
1969PiscesAquarius, retrogradePisces
The 1970s
YearMoonMercuryVenus
1970CancerCapricorn, retrogradeAquarius
1971ScorpioCapricornSagittarius
1972Pisces, then Aries from 02:36CapricornPisces
1973Leo, then Virgo from 02:24CapricornCapricorn
1974CapricornAquariusAquarius
1975TaurusAquariusAquarius
1976Virgo, then Libra from 15:11Aquarius, retrogradeSagittarius
1977Aquarius, then Pisces from 19:30CapricornPisces
1978Gemini, then Cancer from 11:51CapricornAquarius
1979Libra, then Scorpio from 09:51CapricornSagittarius
The 1980s
YearMoonMercuryVenus
1980PiscesAquariusPisces
1981LeoAquariusCapricorn
1982SagittariusAquariusAquarius
1983AriesCapricorn, retrogradeAquarius
1984VirgoCapricornSagittarius
1985Capricorn, then Aquarius from 00:39CapricornPisces
1986GeminiCapricornAquarius
1987LibraAquariusSagittarius
1988Aquarius, then Pisces from 07:27AquariusPisces
1989Cancer, then Leo from 18:03Aquarius, retrogradeCapricorn
The 1990s
YearMoonMercuryVenus
1990Scorpio, then Sagittarius from 12:44CapricornCapricorn
1991Pisces, then Aries from 03:28CapricornAquarius
1992Leo, then Virgo from 22:22CapricornSagittarius
1993CapricornAquariusPisces
1994TaurusAquariusAquarius
1995Virgo, then Libra from 17:54AquariusSagittarius
1996AquariusCapricorn, retrogradePisces
1997CancerCapricornCapricorn
1998ScorpioCapricornCapricorn
1999PiscesCapricornAquarius
The 2000s
YearMoonMercuryVenus
2000Cancer, then Leo from 03:59AquariusSagittarius
2001Sagittarius, then Capricorn from 14:57AquariusPisces
2002Aries, then Taurus from 14:48Aquarius, retrogradeAquarius
2003VirgoCapricorn, retrogradeSagittarius
2004Capricorn, then Aquarius from 19:11CapricornPisces
2005GeminiCapricornCapricorn
2006LibraCapricornCapricorn
2007Aquarius, then Pisces from 08:49AquariusAquarius
2008CancerAquariusSagittarius
2009SagittariusCapricorn, retrogradePisces
The 2010s
YearMoonMercuryVenus
2010AriesCapricornAquarius
2011Leo, then Virgo from 23:11CapricornSagittarius
2012CapricornCapricornPisces
2013Taurus, then Gemini from 14:05AquariusCapricorn
2014Virgo, then Libra from 12:44AquariusCapricorn
2015AquariusAquariusAquarius
2016Gemini, then Cancer from 13:28Capricorn, retrogradeSagittarius
2017ScorpioCapricornPisces
2018PiscesCapricornAquarius
2019Cancer, then Leo from 03:55CapricornSagittarius
The 2020s
YearMoonMercuryVenus
2020SagittariusAquariusPisces
2021TaurusAquariusCapricorn
2022VirgoAquarius, retrogradeCapricorn
2023Capricorn, then Aquarius from 18:29CapricornAquarius
2024GeminiCapricornSagittarius
2025Libra, then Scorpio from 16:21CapricornPisces

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

Eclipses on January 21

Between 1930 and 2050, these eclipses fell on January 21, Greenwich time.

  • 2000, total lunar eclipse at 04:43
  • 2019, total lunar eclipse at 05:12
  • 2038, penumbral lunar eclipse at 03:48

How common is a January 21 birthday?

In US birth records from 1994 to 2014, an average of 10,824 babies were born on January 21 each year. That makes it number 302 of 366 birthdays, where 1 is the most common. That is 3% fewer than 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 Aquarius in you

Your gift

Originality. You see the world as it could be and invite others to see it too.

Your growing edge

Closeness. You care for everyone, and letting one person all the way in can be the harder task.

Your decan, the first part of Aquarius

Ruled by Uranus

Uranus governs this first stretch as it governs the whole sign, and Saturn, the old ruler, still keeps a hand on the keys. Inventive, principled and independent, you move to your own rhythm.

Read about the first decan of Aquarius

Born before the Sun reached Aquarius? Your story still belongs to Capricorn. Read your Capricorn birthday

When the Sun changed sign, year by year

Every year the Sun crossed from Capricorn into Aquarius around January 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.

1930Jan 20, 18:33
1931Jan 21, 00:17
1932Jan 21, 06:06
1933Jan 20, 11:52
1934Jan 20, 17:36
1935Jan 20, 23:28
1936Jan 21, 05:11
1937Jan 20, 11:01
1938Jan 20, 16:58
1939Jan 20, 22:50
1940Jan 21, 04:43
1941Jan 20, 10:33
1942Jan 20, 16:23
1943Jan 20, 22:18
1944Jan 21, 04:07
1946Jan 20, 15:44
1947Jan 20, 21:31
1948Jan 21, 03:18
1950Jan 20, 14:59
1951Jan 20, 20:51
1952Jan 21, 02:38
1954Jan 20, 14:11
1955Jan 20, 20:01
1956Jan 21, 01:48
1958Jan 20, 13:28
1959Jan 20, 19:19
1960Jan 21, 01:10
1962Jan 20, 12:58
1963Jan 20, 18:53
1964Jan 21, 00:41
1966Jan 20, 12:19
1967Jan 20, 18:07
1968Jan 20, 23:53
1970Jan 20, 11:23
1971Jan 20, 17:13
1972Jan 20, 22:58
1974Jan 20, 10:45
1975Jan 20, 16:36
1976Jan 20, 22:24
1978Jan 20, 10:03
1979Jan 20, 15:59
1980Jan 20, 21:48
1983Jan 20, 15:16
1984Jan 20, 21:05
1987Jan 20, 14:40
1988Jan 20, 20:24
1991Jan 20, 13:47
1992Jan 20, 19:32
1995Jan 20, 13:00
1996Jan 20, 18:52
1999Jan 20, 12:37
2000Jan 20, 18:23
2003Jan 20, 11:53
2004Jan 20, 17:42
2007Jan 20, 11:00
2008Jan 20, 16:43
2011Jan 20, 10:18
2012Jan 20, 16:09
2016Jan 20, 15:27
2020Jan 20, 14:54
2024Jan 20, 14:07
2028Jan 20, 13:21
2032Jan 20, 12:31
2036Jan 20, 12:10
2040Jan 20, 11:20
2044Jan 20, 10:37

Questions about January 21

What zodiac sign is January 21?

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

Is January 21 a cusp birthday?

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

What is the birthday star for January 21?

The day after your birthday, January 22, is when the Sun meets Altair each year. The flying eagle, one of the brightest stars of the summer sky. A star for bold people who leap before they are sure they can fly.

What was the Moon sign on January 21?

It depends on the year, because the Moon changes sign about every two and a half days. On January 21 2024 the Moon was in Gemini, and on January 21 2022 it was in Virgo. Find your year in the table above, and add your birth time for the exact sign.

What constellation is the Sun in on January 21?

On January 21 the Sun stands in front of the stars of Capricornus, the sea goat, even though the sign is Aquarius. Astrologers' signs follow the seasons, and over two thousand years the seasons have slipped about a whole sign against the stars.

Everything about AquariusExact Aquarius 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