Born on December 31
December 31 zodiac sign
If you were born on December 31, your Sun sign is Capricorn.
Born at the turning of the light, climbing toward the coming spring.
On December 31 the Sun stands between 8° and 10° Capricorn, in the 1st decan of the sign.
Across all the years 1930 to 2050, the Sun was in Capricorn for the whole of December 31, 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.
Your birthday star
Kaus Australis
The Sun reaches Kaus Australis on December 27 every year, 4 days before your birthday. The bow of the Archer, drawn back toward the heart of our galaxy. A star of aim and focus, for people who know exactly what they want.
Kaus Australis sits at 5° Capricorn.
The stars truly behind your Sun
On December 31 the Sun stands in front of the stars of Sagittarius, the archer, even though the sign is Capricorn. Astrologers' signs follow the seasons, and over two thousand years the seasons have slipped about a whole sign against the stars.
December 31 in every year from 1940 to 2025
The Sun is in Capricorn on December 31, 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
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1940 | Aquarius | Capricorn | Sagittarius |
| 1941 | Gemini | Capricorn | Aquarius |
| 1942 | Libra | Capricorn | Capricorn |
| 1943 | Pisces | Capricorn, retrograde | Scorpio |
| 1944 | Cancer, then Leo from 07:20 | Sagittarius, retrograde | Aquarius |
| 1945 | Scorpio, then Sagittarius from 00:33 | Sagittarius | Capricorn |
| 1946 | Aries | Sagittarius | Scorpio |
| 1947 | Leo, then Virgo from 11:47 | Capricorn | Aquarius |
| 1948 | Capricorn | Capricorn | Sagittarius |
| 1949 | Taurus, then Gemini from 21:13 | Capricorn | Aquarius |
The 1950s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1950 | Virgo, then Libra from 11:20 | Capricorn, retrograde | Capricorn |
| 1951 | Aquarius | Sagittarius | Scorpio |
| 1952 | Cancer | Sagittarius | Aquarius |
| 1953 | Scorpio | Capricorn | Capricorn |
| 1954 | Pisces | Capricorn | Scorpio |
| 1955 | Leo | Capricorn | Aquarius |
| 1956 | Sagittarius, then Capricorn from 05:37 | Capricorn | Sagittarius |
| 1957 | Aries, then Taurus from 02:38 | Sagittarius, retrograde | Aquarius |
| 1958 | Virgo | Sagittarius | Capricorn |
| 1959 | Capricorn, then Aquarius from 07:15 | Sagittarius | Scorpio |
The 1960s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1960 | Gemini | Capricorn | Aquarius |
| 1961 | Libra, then Scorpio from 22:42 | Capricorn | Capricorn |
| 1962 | Aquarius, then Pisces from 01:21 | Capricorn | Scorpio |
| 1963 | Cancer, then Leo from 23:09 | Capricorn, retrograde | Aquarius |
| 1964 | Sagittarius | Sagittarius | Sagittarius |
| 1965 | Aries | Sagittarius | Aquarius |
| 1966 | Leo, then Virgo from 14:33 | Sagittarius | Capricorn |
| 1967 | Capricorn | Capricorn | Scorpio |
| 1968 | Taurus, then Gemini from 03:11 | Capricorn | Aquarius |
| 1969 | Virgo, then Libra from 03:18 | Capricorn | Capricorn |
The 1970s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1970 | Aquarius | Capricorn, retrograde | Scorpio |
| 1971 | Gemini, then Cancer from 04:02 | Sagittarius | Aquarius |
| 1972 | Scorpio, then Sagittarius from 22:52 | Sagittarius | Sagittarius |
| 1973 | Pisces, then Aries from 21:34 | Capricorn | Aquarius |
| 1974 | Leo | Capricorn | Capricorn |
| 1975 | Sagittarius, then Capricorn from 20:17 | Capricorn | Scorpio |
| 1976 | Taurus | Capricorn, retrograde | Aquarius |
| 1977 | Virgo | Sagittarius, retrograde | Capricorn |
| 1978 | Capricorn, then Aquarius from 06:53 | Sagittarius | Scorpio |
| 1979 | Gemini | Sagittarius | Aquarius |
The 1980s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1980 | Libra, then Scorpio from 03:37 | Capricorn | Sagittarius |
| 1981 | Pisces | Capricorn | Aquarius |
| 1982 | Cancer, then Leo from 21:33 | Capricorn | Capricorn |
| 1983 | Sagittarius | Capricorn, retrograde | Scorpio |
| 1984 | Aries | Sagittarius | Aquarius |
| 1985 | Leo, then Virgo from 14:44 | Sagittarius | Capricorn |
| 1986 | Capricorn | Capricorn | Scorpio |
| 1987 | Taurus, then Gemini from 14:29 | Capricorn | Aquarius |
| 1988 | Libra | Capricorn | Sagittarius |
| 1989 | Aquarius | Capricorn, retrograde | Aquarius |
The 1990s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1990 | Gemini, then Cancer from 03:03 | Sagittarius, retrograde | Capricorn |
| 1991 | Scorpio | Sagittarius | Scorpio |
| 1992 | Pisces, then Aries from 06:07 | Sagittarius | Aquarius |
| 1993 | Leo | Capricorn | Capricorn |
| 1994 | Sagittarius, then Capricorn from 17:58 | Capricorn | Scorpio |
| 1995 | Taurus | Capricorn | Aquarius |
| 1996 | Virgo | Capricorn, retrograde | Sagittarius |
| 1997 | Capricorn, then Aquarius from 06:59 | Sagittarius | Aquarius |
| 1998 | Gemini | Sagittarius | Capricorn |
| 1999 | Libra, then Scorpio from 09:37 | Capricorn | Sagittarius |
The 2000s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2000 | Pisces | Capricorn | Aquarius |
| 2001 | Cancer, then Leo from 22:09 | Capricorn | Capricorn |
| 2002 | Sagittarius | Capricorn | Scorpio |
| 2003 | Aries | Sagittarius, retrograde | Aquarius |
| 2004 | Leo, then Virgo from 05:34 | Sagittarius | Sagittarius |
| 2005 | Capricorn | Sagittarius | Aquarius |
| 2006 | Taurus, then Gemini from 11:16 | Capricorn | Capricorn |
| 2007 | Libra | Capricorn | Sagittarius |
| 2008 | Aquarius | Capricorn | Aquarius |
| 2009 | Gemini, then Cancer from 02:46 | Capricorn, retrograde | Capricorn |
The 2010s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2010 | Scorpio | Sagittarius | Scorpio |
| 2011 | Pisces, then Aries from 09:49 | Sagittarius | Aquarius |
| 2012 | Leo | Sagittarius | Sagittarius |
| 2013 | Sagittarius, then Capricorn from 18:02 | Capricorn | Capricorn |
| 2014 | Taurus | Capricorn | Capricorn |
| 2015 | Virgo | Capricorn | Sagittarius |
| 2016 | Capricorn, then Aquarius from 01:29 | Capricorn, retrograde | Aquarius |
| 2017 | Gemini | Sagittarius | Capricorn |
| 2018 | Libra, then Scorpio from 01:23 | Sagittarius | Scorpio |
| 2019 | Pisces | Capricorn | Aquarius |
The 2020s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2020 | Cancer, then Leo from 18:59 | Capricorn | Sagittarius |
| 2021 | Sagittarius | Capricorn | Capricorn |
| 2022 | Aries, then Taurus from 17:09 | Capricorn, retrograde | Capricorn |
| 2023 | Leo, then Virgo from 11:54 | Sagittarius, retrograde | Sagittarius |
| 2024 | Capricorn | Sagittarius | Aquarius |
| 2025 | Taurus, then Gemini from 13:14 | Sagittarius | Capricorn |
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 December 31
Between 1930 and 2050, these eclipses fell on December 31, Greenwich time.
- 2009, partial lunar eclipse at 19:22
- 2028, total lunar eclipse at 16:51
How common is a December 31 birthday?
In US birth records from 1994 to 2014, an average of 10,394 babies were born on December 31 each year. That makes it number 350 of 366 birthdays, where 1 is the most common. That is 7% 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 Capricorn in you
Resilience. You make long, patient work look effortless.
Rest. You may need permission to stop climbing, so take it.
Your decan, the first part of Capricorn
Ruled by Saturn
Saturn is in charge of the sign and its opening decan alike. Ambitious, responsible and drily funny, you were old as a child and grow younger with age.
Questions about December 31
What zodiac sign is December 31?
If you were born on December 31, your Sun sign is Capricorn.
Is December 31 a cusp birthday?
No. The Sun is in Capricorn all day on December 31 in every year between 1930 and 2050, so everyone born on this day is a Capricorn.
What is the birthday star for December 31?
The Sun reaches Kaus Australis on December 27 every year, 4 days before your birthday. The bow of the Archer, drawn back toward the heart of our galaxy. A star of aim and focus, for people who know exactly what they want.
What was the Moon sign on December 31?
It depends on the year, because the Moon changes sign about every two and a half days. On December 31 2024 the Moon was in Capricorn, and on December 31 2021 it was in Sagittarius. Find your year in the table above, and add your birth time for the exact sign.
What constellation is the Sun in on December 31?
On December 31 the Sun stands in front of the stars of Sagittarius, the archer, even though the sign is Capricorn. Astrologers' signs follow the seasons, and over two thousand years the seasons have slipped about a whole sign against the stars.
Everything about CapricornExact Capricorn 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