January 18 zodiac sign, birthday facts & famous birthdays
If your birthday is January 18, your zodiac sign is Capricorn ♑, your birthstone is Garnet and your birth flower is Carnation or Snowdrop. You share your birthday with Montesquieu and Kevin Costner.
- Zodiac sign
- ♑ Capricorn
- Element
- Earth
- Ruling planet
- Saturn
- Birthstone
- Garnet
- Birth flower
- Carnation, Snowdrop
- Day of year
- 18th
- Popularity
- 278th of 366
- Half birthday
- July 18
- Next January 18
- January 18
Days until the next January 18: —
January 18 zodiac: Capricorn ♑
People born on January 18 fall under Capricorn, the 10th sign of the zodiac, which covers birthdays from December 22 to January 19. Capricorn is a cardinal earth sign ruled by Saturn, and its symbol is the sea-goat.
Capricorn is an earth sign ruled by Saturn and associated with ambition, structure and long-term goals. The Sea-Goat is described as climbing steadily toward the top, one careful step at a time.
Famous people born on January 18
Well-known people who celebrate their birthday on January 18, ranked by how widely they are covered on Wikipedia.
- Born 1689French philosopher (1689–1755)
- Born 1955American actor
- Born 1904British-American actor (1904–1986)
- Born 1971Spanish association football manager and player (born 1971)
- Born 1944President of Austria since 2017 (born 1944)
- Born 1925French philosopher (1925–1995)
- Born 1882British author known for creating Winnie-the-Pooh (1882–1956)
- Born 1867Nicaraguan poet, journalist and diplomat (1867–1916), leading figure of Spanish-language Modernismo
- Born 1947Japanese film director, comedian, singer, actor, film editor, presenter, screenwriter, author, poet, painter and video game designer (born 1947)
- Born 1921American theoretical physicist (1921-2015)
- Born 1979Taoiseach from 2017 to 2020, and from 2022 to 2024.
- Born 1988German tennis player
- Born 1969American actor and former professional wrestler (born 1969)
- Born 1979President of the European Parliament since 2022 (born 1979)
- Born 1984Japanese association football player
- Born 193111th and 12th President of the Republic of Korea (1931~2021)
- Born 1990Spanish association football player
- Born 1938British sociologist (born 1938)
- Born 1937Irish politician from Northern Ireland (1937–2020)
- Born 1849Australian politician, first Prime Minister of Australia and founding justice of the High Court of Australia (1849-1920)
- Born 1892American comic actor famous as one half of Laurel and Hardy (1892–1957)
- Born 1944Australian politician, 24th Prime Minister of Australia
- Born 1966President of Chile since 2026
- Born 1979Portuguese footballer (born 1979)
- Born 1980American actor (born 1980)
- Born 1998Brazilian association football player (born 1998)
- Born 1985Italian association football player
- Born 1966Russian chess player
- Born 1998Spanish football player
- Born 1998Argentine association football player
- Born 1980English association football player
- Born 178214th and 19th United States Secretary of State (1782–1852)
- Born 1967Chilean footballer
- Born 1991Australian association football player
- Born 2002Germany footballer (born 2002)
- Born 1880Austrian and Dutch theoretical physicist (1880–1933)
- Born 1795Queen consort of the Netherlands (1795-1865)
- Born 1950Canadian racing driver (1950–1982)
- Born 1993Colombian association football player
- Born 1978Romanian footballer (born 1978)
January 18 birthstone
Garnet (deep red). Garnet has long been linked with friendship, trust and protection, and travellers once carried it for safety.
January 18 birthday facts
- January 18 is the 18th day of the year (18th in leap years), leaving 347 days until the end of the year.
- January 18 is the 278th most common birthday in the U.S., with about 10,927 babies born on an average January 18(2% fewer than a typical day).
- In the Northern Hemisphere, January 18 birthdays fall in winter. In the Southern Hemisphere they fall in summer.
- Babies born on January 18 were most likely conceived around April 27 of the previous year (about 38 weeks earlier).
- Your half birthday is July 18, six months after January 18.
- January 18 always falls before Chinese New Year, so your Chinese zodiac animal is the one for the year before your birth year.
Born on January 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 January 18?
January 18 falls under Capricorn ♑, which runs from December 22 to January 19.
What is the birthstone for January 18?
The birthstone for January 18 is Garnet, the January birthstone. The January birth flowers are Carnation and Snowdrop.
Who are famous people born on January 18?
Famous people born on January 18 include Montesquieu (1689), Kevin Costner (1955), Cary Grant (1904), Pep Guardiola (1971), Alexander Van der Bellen (1944), Gilles Deleuze (1925).
How common is a January 18 birthday?
January 18 is the 278th most common birthday out of 366, based on U.S. births from 1994 to 2014, with about 10,927 babies born on an average January 18.
What day of the year is January 18?
January 18 is the 18th day of the year in common years and the 18th day in leap years.