December 21 zodiac sign
December 21 is a cusp date. The Sun is in Sagittarius or Capricorn, depending on the year and the hour of birth.
The signs on this page are those of the tropical (Western) zodiac.
December 21 at a glance
- Sun sign
- Sagittarius or Capricorn
- Cusp date
- Yes
- Sagittarius all day
- 52 years
- Capricorn all day
- 0 years
- Sign changes during the day
- 29 years
- Constellation behind the Sun
- Sagittarius
About Sagittarius
Sagittarius is linked with travel, learning and the search for meaning. Its people are described as optimistic and open-minded, with a love of freedom and big questions.
About Capricorn
Capricorn is the sign that astrologers link with structure, goals and responsibility. Its people are described as disciplined and patient, with a long view of what they want.
The Sun changes sign at a different moment each year. The table shows the sign on December 21 for every year from 1950 to 2030, with times in the time zone of Doha. If you were born near the change, your birth time and place decide your sign.
| Year | Sun sign |
|---|---|
| 1950 | Sagittarius |
| 1951 | Sagittarius |
| 1952 | Sagittarius |
| 1953 | Sagittarius |
| 1954 | Sagittarius |
| 1955 | Sagittarius |
| 1956 | Sagittarius |
| 1957 | Sagittarius |
| 1958 | Sagittarius |
| 1959 | Sagittarius |
| 1960 | Sagittarius |
| 1961 | Sagittarius |
| 1962 | Sagittarius |
| 1963 | Sagittarius |
| 1964 | Sagittarius until 11:50 PM, then Capricorn |
| 1965 | Sagittarius |
| 1966 | Sagittarius |
| 1967 | Sagittarius |
| 1968 | Sagittarius until 11:00 PM, then Capricorn |
| 1969 | Sagittarius |
| 1970 | Sagittarius |
| 1971 | Sagittarius |
| 1972 | Sagittarius until 9:13 PM, then Capricorn |
| 1973 | Sagittarius |
| 1974 | Sagittarius |
| 1975 | Sagittarius |
| 1976 | Sagittarius until 8:35 PM, then Capricorn |
| 1977 | Sagittarius |
| 1978 | Sagittarius |
| 1979 | Sagittarius |
| 1980 | Sagittarius until 7:56 PM, then Capricorn |
| 1981 | Sagittarius |
| 1982 | Sagittarius |
| 1983 | Sagittarius |
| 1984 | Sagittarius until 7:23 PM, then Capricorn |
| 1985 | Sagittarius |
| 1986 | Sagittarius |
| 1987 | Sagittarius |
| 1988 | Sagittarius until 6:28 PM, then Capricorn |
| 1989 | Sagittarius |
| 1990 | Sagittarius |
| Year | Sun sign |
|---|---|
| 1991 | Sagittarius |
| 1992 | Sagittarius until 5:43 PM, then Capricorn |
| 1993 | Sagittarius until 11:26 PM, then Capricorn |
| 1994 | Sagittarius |
| 1995 | Sagittarius |
| 1996 | Sagittarius until 5:06 PM, then Capricorn |
| 1997 | Sagittarius until 11:07 PM, then Capricorn |
| 1998 | Sagittarius |
| 1999 | Sagittarius |
| 2000 | Sagittarius until 4:38 PM, then Capricorn |
| 2001 | Sagittarius until 10:22 PM, then Capricorn |
| 2002 | Sagittarius |
| 2003 | Sagittarius |
| 2004 | Sagittarius until 3:42 PM, then Capricorn |
| 2005 | Sagittarius until 9:35 PM, then Capricorn |
| 2006 | Sagittarius |
| 2007 | Sagittarius |
| 2008 | Sagittarius until 3:04 PM, then Capricorn |
| 2009 | Sagittarius until 8:47 PM, then Capricorn |
| 2010 | Sagittarius |
| 2011 | Sagittarius |
| 2012 | Sagittarius until 2:12 PM, then Capricorn |
| 2013 | Sagittarius until 8:11 PM, then Capricorn |
| 2014 | Sagittarius |
| 2015 | Sagittarius |
| 2016 | Sagittarius until 1:44 PM, then Capricorn |
| 2017 | Sagittarius until 7:28 PM, then Capricorn |
| 2018 | Sagittarius |
| 2019 | Sagittarius |
| 2020 | Sagittarius until 1:03 PM, then Capricorn |
| 2021 | Sagittarius until 6:59 PM, then Capricorn |
| 2022 | Sagittarius |
| 2023 | Sagittarius |
| 2024 | Sagittarius until 12:20 PM, then Capricorn |
| 2025 | Sagittarius until 6:03 PM, then Capricorn |
| 2026 | Sagittarius until 11:50 PM, then Capricorn |
| 2027 | Sagittarius |
| 2028 | Sagittarius until 11:20 AM, then Capricorn |
| 2029 | Sagittarius until 5:14 PM, then Capricorn |
| 2030 | Sagittarius until 11:10 PM, then Capricorn |
The Sun in the sky on December 21
On December 21 in 2026, the Sun is in front of the stars of Sagittarius, the constellation that gave the sign Sagittarius its name.
Moon sign and rising sign
The Moon changes sign every two to three days, and the rising sign changes about every two hours. Both depend on your birth time and place, not on December 21 alone.
Print the sky of December 21
Start from the sky over Doha on December 21 in 2026, then set the year, the place and the time of your birth in the editor.
Questions about December 21
December 21 is Sagittarius or Capricorn, depending on the year and the hour of birth. From 1950 to 2030, the Sun is in Sagittarius all day in 52 years, in Capricorn all day in 0 years, and changes sign during the day in 29 years.
Yes. The Sun changes sign on December 21 in 29 of the 81 years from 1950 to 2030.
On December 21 in 2026, the Sun is in front of the stars of Sagittarius, the constellation that gave the sign Sagittarius its name.