Born on January 23

January 23 zodiac sign

If you were born on January 23, your Sun sign is Aquarius.

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

AirFixedUranus, traditionally Saturn

On January 23 the Sun stands between 1° and 4° Aquarius, in the 1st decan of the sign.

Across all the years 1930 to 2050, the Sun was in Aquarius for the whole of January 23, wherever in the world you were born.

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

Every year on January 22, the eve of your birthday, the Sun passes Altair. 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 23 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 23 in every year from 1940 to 2025

The Sun is in Aquarius on January 23, but the Moon, Mercury and Venus keep moving. 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
1940CancerCapricornPisces
1941SagittariusAquariusCapricorn
1942Aries, then Taurus from 23:19AquariusAquarius
1943Leo, then Virgo from 22:03Aquarius, retrogradeAquarius
1944Sagittarius, then Capricorn from 07:27CapricornSagittarius
1945Taurus, then Gemini from 02:35CapricornPisces
1946LibraCapricornAquarius
1947AquariusAquariusSagittarius
1948Gemini, then Cancer from 23:24AquariusPisces
1949Scorpio, then Sagittarius from 17:09AquariusCapricorn
The 1950s
YearMoonMercuryVenus
1950Pisces, then Aries from 04:38Capricorn, retrogradeAquarius
1951Cancer, then Leo from 00:12CapricornAquarius
1952SagittariusCapricornSagittarius
1953TaurusCapricornPisces
1954VirgoAquariusAquarius
1955Capricorn, then Aquarius from 18:59AquariusSagittarius
1956Taurus, then Gemini from 03:06Aquarius, retrogradePisces
1957ScorpioCapricornCapricorn
1958PiscesCapricornAquarius
1959CancerCapricornAquarius
The 1960s
YearMoonMercuryVenus
1960Scorpio, then Sagittarius from 17:03AquariusSagittarius
1961Aries, then Taurus from 09:52AquariusPisces
1962Leo, then Virgo from 05:54AquariusAquarius
1963CapricornCapricorn, retrogradeSagittarius
1964TaurusCapricornPisces
1965LibraCapricornCapricorn
1966AquariusCapricornAquarius
1967Gemini, then Cancer from 17:51AquariusAquarius
1968ScorpioAquariusSagittarius
1969AriesAquarius, retrogradePisces
The 1970s
YearMoonMercuryVenus
1970LeoCapricorn, retrogradeAquarius
1971SagittariusCapricornSagittarius
1972Aries, then Taurus from 05:18CapricornPisces
1973Virgo, then Libra from 08:17CapricornCapricorn
1974Capricorn, then Aquarius from 04:50AquariusAquarius
1975GeminiAquariusAquarius
1976Libra, then Scorpio from 17:48Aquarius, retrogradeSagittarius
1977PiscesCapricornPisces
1978CancerCapricornAquarius
1979Scorpio, then Sagittarius from 16:08CapricornSagittarius
The 1980s
YearMoonMercuryVenus
1980AriesAquariusPisces
1981VirgoAquariusCapricorn
1982CapricornAquarius, retrogradeCapricorn
1983TaurusCapricorn, retrogradeAquarius
1984LibraCapricornSagittarius
1985Aquarius, then Pisces from 09:02CapricornPisces
1986Gemini, then Cancer from 04:15CapricornAquarius
1987ScorpioAquariusSagittarius
1988Pisces, then Aries from 08:31AquariusPisces
1989LeoAquarius, retrogradeCapricorn
The 1990s
YearMoonMercuryVenus
1990Sagittarius, then Capricorn from 23:28CapricornCapricorn
1991Aries, then Taurus from 09:01CapricornAquarius
1992Virgo, then Libra from 23:43CapricornSagittarius
1993AquariusAquariusPisces
1994GeminiAquariusAquarius
1995Libra, then Scorpio from 22:33AquariusSagittarius
1996PiscesCapricorn, retrogradePisces
1997Cancer, then Leo from 07:50CapricornCapricorn
1998Scorpio, then Sagittarius from 05:26CapricornCapricorn
1999AriesCapricornAquarius
The 2000s
YearMoonMercuryVenus
2000Leo, then Virgo from 05:08AquariusSagittarius
2001CapricornAquariusPisces
2002TaurusAquarius, retrogradeAquarius
2003LibraCapricornSagittarius
2004Aquarius, then Pisces from 21:29CapricornPisces
2005CancerCapricornCapricorn
2006ScorpioAquariusCapricorn
2007Pisces, then Aries from 10:53AquariusAquarius
2008LeoAquariusSagittarius
2009Sagittarius, then Capricorn from 06:19Capricorn, retrogradePisces
The 2010s
YearMoonMercuryVenus
2010Aries, then Taurus from 04:40CapricornAquarius
2011Virgo, then Libra from 23:59CapricornSagittarius
2012Capricorn, then Aquarius from 02:53CapricornPisces
2013GeminiAquariusCapricorn
2014Libra, then Scorpio from 21:44AquariusCapricorn
2015PiscesAquarius, retrogradeAquarius
2016Cancer, then Leo from 19:21Capricorn, retrogradeSagittarius
2017SagittariusCapricornPisces
2018AriesCapricornAquarius
2019Leo, then Virgo from 03:23CapricornSagittarius
The 2020s
YearMoonMercuryVenus
2020CapricornAquariusPisces
2021Taurus, then Gemini from 07:44AquariusCapricorn
2022LibraAquarius, retrogradeCapricorn
2023Aquarius, then Pisces from 17:36CapricornAquarius
2024CancerCapricornCapricorn
2025ScorpioCapricornPisces

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 January 23 birthday?

In US birth records from 1994 to 2014, an average of 10,865 babies were born on January 23 each year. That makes it number 285 of 366 birthdays, where 1 is the most common. That is 2% 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

Questions about January 23

What zodiac sign is January 23?

If you were born on January 23, your Sun sign is Aquarius.

Is January 23 a cusp birthday?

No. The Sun is in Aquarius all day on January 23 in every year between 1930 and 2050, so everyone born on this day is an Aquarius.

What is the birthday star for January 23?

Every year on January 22, the eve of your birthday, the Sun passes Altair. 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 23?

It depends on the year, because the Moon changes sign about every two and a half days. On January 23 2025 the Moon was in Scorpio, and on January 23 2024 it was in Cancer. Find your year in the table above, and add your birth time for the exact sign.

What constellation is the Sun in on January 23?

On January 23 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