Born on December 20
December 20 zodiac sign
If you were born on December 20, your Sun sign is Sagittarius or Capricorn. This is a cusp day, when the Sun crosses from one sign into the next at a different hour each year.
The archer, aiming past the darkest days toward the light.
On December 20 the Sun is crossing the last degree of Sagittarius into the first degree of Capricorn.
In 0% of years the Sun had already reached Capricorn by midday on December 20 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.
Your birthday star
Rasalhague
The Sun reaches Rasalhague on December 14 every year, 6 days before your birthday. The head of Ophiuchus, the serpent bearer and first healer of the old myths. A star for healers, carers and lifelong students.
Rasalhague sits at 22° Sagittarius.
The stars truly behind your Sun
On December 20 the Sun stands in front of the stars of Sagittarius, the archer, the constellation that gave Sagittarius its name.
December 20 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
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1940 | Virgo | Sagittarius | Scorpio |
| 1941 | Capricorn, then Aquarius from 16:54 | Sagittarius | Aquarius |
| 1942 | Taurus, then Gemini from 02:46 | Capricorn | Capricorn |
| 1943 | Virgo, then Libra from 01:56 | Capricorn | Scorpio |
| 1944 | Aquarius, then Pisces from 11:40 | Capricorn, retrograde | Aquarius |
| 1945 | Cancer | Sagittarius | Sagittarius |
| 1946 | Scorpio, then Sagittarius from 21:49 | Sagittarius | Scorpio |
| 1947 | Pisces, then Aries from 21:37 | Sagittarius | Capricorn |
| 1948 | Leo | Capricorn | Sagittarius |
| 1949 | Capricorn | Capricorn | Aquarius |
The 1950s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1950 | Taurus | Capricorn | Capricorn |
| 1951 | Virgo | Sagittarius, retrograde | Scorpio |
| 1952 | Aquarius | Sagittarius | Aquarius |
| 1953 | Gemini, then Cancer from 14:40 | Sagittarius | Sagittarius |
| 1954 | Libra, then Scorpio from 00:44 | Sagittarius | Scorpio |
| 1955 | Aquarius, then Pisces from 01:02 | Capricorn | Capricorn |
| 1956 | Cancer, then Leo from 02:11 | Capricorn | Sagittarius |
| 1957 | Sagittarius | Capricorn, retrograde | Aquarius |
| 1958 | Aries, then Taurus from 21:38 | Sagittarius | Capricorn |
| 1959 | Leo, then Virgo from 18:30 | Sagittarius | Scorpio |
The 1960s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1960 | Capricorn, then Aquarius from 15:49 | Sagittarius | Aquarius |
| 1961 | Gemini | Capricorn | Sagittarius |
| 1962 | Libra | Capricorn | Scorpio |
| 1963 | Aquarius | Capricorn | Capricorn |
| 1964 | Cancer | Sagittarius, retrograde | Sagittarius |
| 1965 | Scorpio, then Sagittarius from 10:01 | Sagittarius | Aquarius |
| 1966 | Pisces, then Aries from 02:40 | Sagittarius | Capricorn |
| 1967 | Leo | Sagittarius | Scorpio |
| 1968 | Capricorn | Capricorn | Aquarius |
| 1969 | Taurus | Capricorn | Sagittarius |
The 1970s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1970 | Virgo | Capricorn, retrograde | Scorpio |
| 1971 | Capricorn, then Aquarius from 11:33 | Sagittarius, retrograde | Capricorn |
| 1972 | Gemini, then Cancer from 11:57 | Sagittarius | Sagittarius |
| 1973 | Scorpio | Sagittarius | Aquarius |
| 1974 | Pisces | Sagittarius | Capricorn |
| 1975 | Cancer | Capricorn | Scorpio |
| 1976 | Sagittarius | Capricorn | Aquarius |
| 1977 | Aries, then Taurus from 04:54 | Capricorn, retrograde | Sagittarius |
| 1978 | Leo, then Virgo from 04:35 | Sagittarius | Scorpio |
| 1979 | Capricorn | Sagittarius | Capricorn |
The 1980s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1980 | Gemini | Sagittarius | Sagittarius |
| 1981 | Libra, then Scorpio from 23:39 | Capricorn | Aquarius |
| 1982 | Aquarius | Capricorn | Capricorn |
| 1983 | Gemini, then Cancer from 06:03 | Capricorn | Scorpio |
| 1984 | Scorpio, then Sagittarius from 06:59 | Sagittarius, retrograde | Aquarius |
| 1985 | Aries | Sagittarius | Sagittarius |
| 1986 | Leo | Sagittarius | Scorpio |
| 1987 | Sagittarius, then Capricorn from 21:08 | Sagittarius | Capricorn |
| 1988 | Taurus, then Gemini from 21:43 | Capricorn | Sagittarius |
| 1989 | Virgo, then Libra from 03:46 | Capricorn | Aquarius |
The 1990s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 1990 | Capricorn, then Aquarius from 03:00 | Capricorn, retrograde | Capricorn |
| 1991 | Gemini | Sagittarius | Scorpio |
| 1992 | Scorpio | Sagittarius | Aquarius |
| 1993 | Pisces | Sagittarius | Sagittarius |
| 1994 | Cancer, then Leo from 21:13 | Capricorn | Scorpio |
| 1995 | Scorpio, then Sagittarius from 03:14 | Capricorn | Capricorn |
| 1996 | Taurus | Capricorn | Sagittarius |
| 1997 | Virgo | Sagittarius, retrograde | Aquarius |
| 1998 | Capricorn | Sagittarius | Capricorn |
| 1999 | Taurus, then Gemini from 17:39 | Sagittarius | Scorpio |
The 2000s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2000 | Libra, then Scorpio from 13:12 | Sagittarius | Aquarius |
| 2001 | Aquarius, then Pisces from 06:10 | Capricorn | Sagittarius |
| 2002 | Cancer | Capricorn | Scorpio |
| 2003 | Scorpio | Capricorn, retrograde | Capricorn |
| 2004 | Aries | Sagittarius | Sagittarius |
| 2005 | Leo | Sagittarius | Aquarius |
| 2006 | Sagittarius, then Capricorn from 16:39 | Sagittarius | Capricorn |
| 2007 | Taurus | Sagittarius | Scorpio |
| 2008 | Libra | Capricorn | Aquarius |
| 2009 | Aquarius | Capricorn | Sagittarius |
The 2010s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2010 | Gemini | Sagittarius, retrograde | Scorpio |
| 2011 | Libra, then Scorpio from 10:33 | Sagittarius | Capricorn |
| 2012 | Pisces, then Aries from 07:44 | Sagittarius | Sagittarius |
| 2013 | Cancer, then Leo from 06:48 | Sagittarius | Capricorn |
| 2014 | Sagittarius | Capricorn | Capricorn |
| 2015 | Aries | Capricorn | Scorpio |
| 2016 | Virgo | Capricorn, retrograde | Aquarius |
| 2017 | Capricorn | Sagittarius, retrograde | Sagittarius |
| 2018 | Taurus, then Gemini from 14:35 | Sagittarius | Scorpio |
| 2019 | Libra | Sagittarius | Aquarius |
The 2020s
| Year | Moon | Mercury | Venus |
|---|---|---|---|
| 2020 | Pisces | Sagittarius | Sagittarius |
| 2021 | Cancer | Capricorn | Capricorn |
| 2022 | Scorpio | Capricorn | Capricorn |
| 2023 | Aries | Capricorn, retrograde | Scorpio |
| 2024 | Leo, then Virgo from 07:37 | Sagittarius | Aquarius |
| 2025 | Sagittarius, then Capricorn from 04:53 | Sagittarius | Sagittarius |
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 20
Between 1930 and 2050, these eclipses fell on December 20, Greenwich time.
- 1983, penumbral lunar eclipse at 01:49
- 2029, total lunar eclipse at 22:41
- 2048, penumbral lunar eclipse at 06:26
How common is a December 20 birthday?
In US birth records from 1994 to 2014, an average of 12,009 babies were born on December 20 each year. That makes it number 11 of 366 birthdays, where 1 is the most common. That is 8% more 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 Sagittarius in you
Faith in life, even when life is hard.
Staying. The next horizon always calls, and sometimes the treasure is right where you are.
Your decan, the third part of Sagittarius
Ruled by the Sun
The Sun adds warmth and showmanship. You are a born storyteller and teacher, and your joy lights up a room.
Born after the Sun crossed into Capricorn? Your story belongs to Capricorn. Read your Capricorn birthday
When the Sun changed sign, year by year
Every year the Sun crossed from Sagittarius into Capricorn around December 20. Times are Greenwich time (UTC), so add or subtract your birthplace's offset. Find your year to see which side you were born on.
Questions about December 20
What zodiac sign is December 20?
If you were born on December 20, your Sun sign is Sagittarius or Capricorn. This is a cusp day, when the Sun crosses from one sign into the next at a different hour each year.
Is December 20 a cusp birthday?
Yes. The Sun moves from Sagittarius into Capricorn around this day, at a different hour each year, so people born on December 20 can be either sign. Check your birth year above to see which you are.
What is the birthday star for December 20?
The Sun reaches Rasalhague on December 14 every year, 6 days before your birthday. The head of Ophiuchus, the serpent bearer and first healer of the old myths. A star for healers, carers and lifelong students.
What was the Moon sign on December 20?
It depends on the year, because the Moon changes sign about every two and a half days. On December 20 2023 the Moon was in Aries, and on December 20 2022 it was in Scorpio. Find your year in the table above, and add your birth time for the exact sign.
What constellation is the Sun in on December 20?
On December 20 the Sun stands in front of the stars of Sagittarius, the archer, the constellation that gave Sagittarius its name.
Everything about SagittariusExact Sagittarius 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