December 18 zodiac sign, birthday facts & famous birthdays
If your birthday is December 18, your zodiac sign is Sagittarius ♐, your birthstone is Turquoise or Tanzanite or Zircon and your birth flower is Narcissus or Holly. You share your birthday with Steven Spielberg and Brad Pitt.
- Zodiac sign
- ♐ Sagittarius
- Element
- Fire
- Ruling planet
- Jupiter
- Birthstone
- Turquoise, Tanzanite, Zircon
- Birth flower
- Narcissus, Holly
- Day of year
- 352nd
- Popularity
- 52nd of 366
- Half birthday
- June 18
- Next December 18
- December 18
Days until the next December 18: —
December 18 zodiac: Sagittarius ♐
People born on December 18 fall under Sagittarius, the 9th sign of the zodiac, which covers birthdays from November 22 to December 21. Sagittarius is a mutable fire sign ruled by Jupiter, and its symbol is the archer.
Sagittarius, the Archer, is the zodiac's traveller and philosopher. The sign is linked with adventure, learning and big ideas, and Sagittarians are often pictured as upbeat, curious people who love freedom.
Read more about Sagittarius traits, love and compatibility →
Famous people born on December 18
Well-known people who celebrate their birthday on December 18, ranked by how widely they are covered on Wikipedia.
- Born 1946American filmmaker (born 1946)
- Born 1963American actor (born 1963)
- Born 1980American singer, songwriter and actress
- Born 2001American singer-songwriter (born 2001)
- Born 1913German politician (SPD), chancellor of West Germany (1969–1974) and Nobel Peace Prize laureate
- Born 1856British physicist (1856-1940)
- Born 1863Heir presumptive to the throne of Austria-Hungary (1863–1914)
- Born 1960President of South Korea from 2022 to 2025
- Born 1943British musician, guitarist of the Rolling Stones
- Born 1946South African anti-apartheid activist (1946–1977)
- Born 1975Australian singer and songwriter (born 1975)
- Born 1978American actress (born 1978)
- Born 1964President of Burundi from 2005 to 2020
- Born 1962American actor
- Born 1921Soviet and Russian actor and clown (1921-1997)
- Born 1954American actor (1954–2022)
- Born 1970American rapper and actor (1970–2021)
- Born 1971Spanish tennis player
- Born 1989American actress
- Born 1933Italian germanist, medievalist, translator and writer (1933-2016)
- Born 1992American actress and singer (born 1992)
- Born 1939American scientist
- Born 1870British writer
- Born 1964American professional wrestler and actor
- Born 1972Prime Minister of Singapore since 2024
- Born 1916American actress and pin-up girl (1916–1973)
- Born 1968American actor
- Born 1969Spanish footballer
- Born 1846Serbian politician (1845-1926)
- Born 1968Australian actress
- Born 1911American film director (1911–2008)
- Born 1890American electrical engineer and inventor (1890–1954)
- Born 1995Czech tennis player (born 1995)
- Born 1966Italian association football player
- Born 1939English writer, editor, critic (born 1939)
- Born 1970American professional wrestler and actor (born 1970)
- Born 1968Spanish pop musician (born 1968)
- Born 1992American athletics competitor
- Born 1718Regent and Grand Duchess of Russia (1718–1746)
- Born 1972Irish singer
December 18 birthstone
Turquoise (sky blue). Turquoise is one of the oldest known gems and is linked with protection, luck and friendship.
Tanzanite (violet blue). Tanzanite, found only in Tanzania, is associated with transformation and insight.
Zircon (blue and many colours). Zircon is linked with wisdom, honour and prosperity.
December 18 birthday facts
- December 18 is the 352nd day of the year (353rd in leap years), leaving 13 days until the end of the year.
- December 18 is the 52nd most common birthday in the U.S., with about 11,736 babies born on an average December 18(5% more than a typical day).
- In the Northern Hemisphere, December 18 birthdays fall in autumn. In the Southern Hemisphere they fall in spring.
- Babies born on December 18 were most likely conceived around March 27 of the previous year (about 38 weeks earlier).
- Your half birthday is June 18, six months after December 18.
- December 18 always falls after Chinese New Year, so your Chinese zodiac animal is simply the one for your birth year.
Born on December 18? Get your full report
Add your birth year to see your exact age, the weekday you were born, your Chinese zodiac, generation and life path number.
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Frequently asked questions
What zodiac sign is December 18?
December 18 falls under Sagittarius ♐, which runs from November 22 to December 21.
What is the birthstone for December 18?
The birthstone for December 18 is Turquoise or Tanzanite or Zircon, the December birthstones. The December birth flowers are Narcissus and Holly.
Who are famous people born on December 18?
Famous people born on December 18 include Steven Spielberg (1946), Brad Pitt (1963), Christina Aguilera (1980), Billie Eilish (2001), Willy Brandt (1913), J. J. Thomson (1856).
How common is a December 18 birthday?
December 18 is the 52nd most common birthday out of 366, based on U.S. births from 1994 to 2014, with about 11,736 babies born on an average December 18.
What day of the year is December 18?
December 18 is the 352nd day of the year in common years and the 353rd day in leap years.