December 31 Birthday
Zodiac sign, birthstone, birth flower and more for everyone born on December 31.
The zodiac sign for December 31 is
Capricorn
Capricorn runs December 22 – January 19. December 31 is day 10 of 29 in Capricorn season, in the 1st decan.
Birthstone
Turquoise
Also Tanzanite, Zircon
Birth flower
Narcissus (paperwhite)
Also holly
Ruling planet
Saturn
Decan ruler: Saturn
How common
#348 of 366
10,433 US births a year
Day of the year
Day 365
Day 366 in a leap year
December 31 zodiac sign: Capricorn
Capricorn is ruled by Saturn, the planet of structure and time. The Sea-goat is linked with ambition and patience: the steady climber who reaches the top in the end.
| Symbol | ♑ Sea-goat |
|---|---|
| Dates | December 22 – January 19 |
| Element | Earth |
| Modality | Cardinal |
| Ruling planet | Saturn |
| Traits | ambitious, disciplined, responsible, patient |
| Strengths | Hardworking, responsible, self-controlled and dependable. |
| Weaknesses | Pessimistic, stubborn and inclined to overwork. |
| Opposite sign | Cancer |
| Most compatible with | Taurus, Cancer, Virgo, Scorpio, Pisces |
The 1st decan of Capricorn
Each sign is split into three decans of about ten days. December 31 falls in the 1st decan, which is ruled by Capricorn’s own planet, Saturn, so the classic Capricorn traits are said to be strongest.
December 31 birthstone: Turquoise, Tanzanite and Zircon
Everyone born in December shares the same birthstones, and you can pick whichever you like.
| Stone | Color | Hardness (Mohs) | Said to symbolize |
|---|---|---|---|
| Turquoise | Sky blue to green | 5–6 | Good fortune and protection |
| Tanzanite | Violet-blue | 6–7 | Transformation and calm |
| Zircon | Blue (most popular), clear or brown | 6–7.5 | Wisdom, honor and prosperity |
December 31 birth flower: Narcissus (paperwhite) and Holly
- Narcissus (paperwhite): good wishes and hope
- Holly: protection and domestic happiness
How common is a December 31 birthday?
December 31 is the 348th most common birthday in the US out of 366. An average of 10,433 babies were born on it each year from 1994 to 2014, 7% fewer than on an average day.
Based on US birth records, 1994–2014. See every date ranked.
What day of the week was December 31?
Here’s the day of the week December 31 fell on each year, and the Chinese zodiac animal for someone born that day.
| Birth date | Day of the week | Chinese zodiac |
|---|---|---|
| December 31, 2030 | Tuesday | Metal Dog |
| December 31, 2029 | Monday | Earth Rooster |
| December 31, 2028 | Sunday | Earth Monkey |
| December 31, 2027 | Friday | Fire Goat |
| December 31, 2026 | Thursday | Fire Horse |
| December 31, 2025 | Wednesday | Wood Snake |
| December 31, 2024 | Tuesday | Wood Dragon |
| December 31, 2023 | Sunday | Water Rabbit |
| December 31, 2022 | Saturday | Water Tiger |
| December 31, 2021 | Friday | Metal Ox |
| December 31, 2020 | Thursday | Metal Rat |
| December 31, 2019 | Tuesday | Earth Pig |
| December 31, 2018 | Monday | Earth Dog |
| December 31, 2017 | Sunday | Fire Rooster |
| December 31, 2016 | Saturday | Fire Monkey |
| December 31, 2015 | Thursday | Wood Goat |
| December 31, 2014 | Wednesday | Wood Horse |
| December 31, 2013 | Tuesday | Water Snake |
| December 31, 2012 | Monday | Water Dragon |
| December 31, 2011 | Saturday | Metal Rabbit |
| December 31, 2010 | Friday | Metal Tiger |
| December 31, 2009 | Thursday | Earth Ox |
| December 31, 2008 | Wednesday | Earth Rat |
| December 31, 2007 | Monday | Fire Pig |
| December 31, 2006 | Sunday | Fire Dog |
| December 31, 2005 | Saturday | Wood Rooster |
| December 31, 2004 | Friday | Wood Monkey |
| December 31, 2003 | Wednesday | Water Goat |
| December 31, 2002 | Tuesday | Water Horse |
| December 31, 2001 | Monday | Metal Snake |
| December 31, 2000 | Sunday | Metal Dragon |
| December 31, 1999 | Friday | Earth Rabbit |
| December 31, 1998 | Thursday | Earth Tiger |
| December 31, 1997 | Wednesday | Fire Ox |
| December 31, 1996 | Tuesday | Fire Rat |
| December 31, 1995 | Sunday | Wood Pig |
| December 31, 1994 | Saturday | Wood Dog |
| December 31, 1993 | Friday | Water Rooster |
| December 31, 1992 | Thursday | Water Monkey |
| December 31, 1991 | Tuesday | Metal Goat |
| December 31, 1990 | Monday | Metal Horse |
| December 31, 1989 | Sunday | Earth Snake |
| December 31, 1988 | Saturday | Earth Dragon |
| December 31, 1987 | Thursday | Fire Rabbit |
| December 31, 1986 | Wednesday | Fire Tiger |
| December 31, 1985 | Tuesday | Wood Ox |
| December 31, 1984 | Monday | Wood Rat |
| December 31, 1983 | Saturday | Water Pig |
| December 31, 1982 | Friday | Water Dog |
| December 31, 1981 | Thursday | Metal Rooster |
| December 31, 1980 | Wednesday | Metal Monkey |
| December 31, 1979 | Monday | Earth Goat |
| December 31, 1978 | Sunday | Earth Horse |
| December 31, 1977 | Saturday | Fire Snake |
| December 31, 1976 | Friday | Fire Dragon |
| December 31, 1975 | Wednesday | Wood Rabbit |
| December 31, 1974 | Tuesday | Wood Tiger |
| December 31, 1973 | Monday | Water Ox |
| December 31, 1972 | Sunday | Water Rat |
| December 31, 1971 | Friday | Metal Pig |
| December 31, 1970 | Thursday | Metal Dog |
| December 31, 1969 | Wednesday | Earth Rooster |
| December 31, 1968 | Tuesday | Earth Monkey |
| December 31, 1967 | Sunday | Fire Goat |
| December 31, 1966 | Saturday | Fire Horse |
| December 31, 1965 | Friday | Wood Snake |
| December 31, 1964 | Thursday | Wood Dragon |
| December 31, 1963 | Tuesday | Water Rabbit |
| December 31, 1962 | Monday | Water Tiger |
| December 31, 1961 | Sunday | Metal Ox |
| December 31, 1960 | Saturday | Metal Rat |
| December 31, 1959 | Thursday | Earth Pig |
| December 31, 1958 | Wednesday | Earth Dog |
| December 31, 1957 | Tuesday | Fire Rooster |
| December 31, 1956 | Monday | Fire Monkey |
| December 31, 1955 | Saturday | Wood Goat |
| December 31, 1954 | Friday | Wood Horse |
| December 31, 1953 | Thursday | Water Snake |
| December 31, 1952 | Wednesday | Water Dragon |
| December 31, 1951 | Monday | Metal Rabbit |
| December 31, 1950 | Sunday | Metal Tiger |
| December 31, 1949 | Saturday | Earth Ox |
| December 31, 1948 | Friday | Earth Rat |
| December 31, 1947 | Wednesday | Fire Pig |
| December 31, 1946 | Tuesday | Fire Dog |
| December 31, 1945 | Monday | Wood Rooster |
| December 31, 1944 | Sunday | Wood Monkey |
| December 31, 1943 | Friday | Water Goat |
| December 31, 1942 | Thursday | Water Horse |
| December 31, 1941 | Wednesday | Metal Snake |
| December 31, 1940 | Tuesday | Metal Dragon |
More about December 31
| Season (Northern Hemisphere) | Winter |
|---|---|
| Day of the year | 365 (366 in a leap year) |
| Days left in the year | 0 (0 in a leap year) |
| Holidays and observances | New Year’s Eve |
Want your exact age or a countdown? Try the age calculator on our sister site Day Count Box.
December 31 birthday questions
- What zodiac sign is December 31?
- People born on December 31 are Capricorn (♑), the Sea-goat. Capricorn season runs from December 22 – January 19.
- What is the birthstone for December 31?
- The birthstone for December 31 is the December birthstone: turquoise, tanzanite and zircon.
- What is the birth flower for December 31?
- December’s birth flowers are the narcissus (paperwhite) and holly.
- Is December 31 on a cusp?
- No. December 31 is well inside Capricorn season, so the sign is the same whatever the year.
- How rare is a December 31 birthday?
- December 31 is the 348th most common birthday in the US out of 366. An average of 10,433 babies were born on it each year from 1994 to 2014, 7% fewer than on an average day.
- What day of the year is December 31?
- December 31 is day 365 of the year, or day 366 in a leap year.