March 31 zodiac sign, birthday facts & famous birthdays
If your birthday is March 31, your zodiac sign is Aries ♈, your birthstone is Aquamarine or Bloodstone and your birth flower is Daffodil or Jonquil. You share your birthday with Johann Sebastian Bach and René Descartes.
- Zodiac sign
- ♈ Aries
- Element
- Fire
- Ruling planet
- Mars
- Birthstone
- Aquamarine, Bloodstone
- Birth flower
- Daffodil, Jonquil
- Day of year
- 90th
- Popularity
- 314th of 366
- Half birthday
- September 30
- Next March 31
- March 31
Days until the next March 31: —
March 31 zodiac: Aries ♈
People born on March 31 fall under Aries, the 1st sign of the zodiac, which covers birthdays from March 21 to April 19. Aries is a cardinal fire sign ruled by Mars, and its symbol is the ram.
Aries opens the zodiac year, and the sign is linked with beginnings: starting things, taking the lead and moving first. In traditional astrology, Aries people are pictured as energetic and competitive, happiest with a challenge in front of them.
Famous people born on March 31
Well-known people who celebrate their birthday on March 31, ranked by how widely they are covered on Wikipedia.
- Born 1685German composer (1685–1750)
- Born 1596French philosopher, mathematician, and scientist (1596–1650)
- Born 1948Vice President of the United States from 1993 to 2001 (born 1948)
- Born 1914Mexican writer, poet an diplomat (1914–1998)
- Born 1890Australian-born British physicist and X-ray crystallographer
- Born 1971Scottish actor
- Born 1906Japanese physicist (1906-1979)
- Born 1934Italian particle physicist
- Born 1939Georgian politician, dissident and writer, first President of Georgia (1991–1992)
- Born 1943American actor (born 1943)
- Born 1926English novelist (1926–2005)
- Born 1964Ukrainian politician, screenwriter, and Doctor of Economic Sciences
- Born 1982Chinese filmmaker (born 1982)
- Born 1934American actor (1934–2025)
- Born 1882Russian children's poet (1882–1969)
- Born 1723King of Denmark and Norway
- Born 1934American singer and actress
- Born 1970Slovenian politician
- Born 1968Brazilian association football player
- Born 1872Russian art critic and impresario (1872–1929)
- Born 1987Indian chess player
- Born 1778Dutch aristocrat and zoologist (1778–1858)
- Born 1621English poet and politician (1621–1678)
- Born 1819German chancellor (1819–1901)
- Born 1972Spanish-Chilean film director, screenwriter and composer
- Born 1962Finnish politician
- Born 1927Mexican-American farm worker, labor leader, and civil rights activist (1927–1993)
- Born 1865One of the first Indian woman doctor (1865-1887)
- Born 1928Canadian ice hockey player (1928–2016)
- Born 1787Third king of Siam of the Chakri Dynasty
- Born 1967Slovak footballer (born 1967)
- Born 1940American politician and lawyer (born 1940)
- Born 1932Japanese film director and screenwriter (1932–2013)
- Born 1939German film director, screenwriter and film producer (born 1939)
- Born 1947President of Colombia
- Born 1987Moroccan association football player
- Born 1943Swedish film director and screenwriter
- Born 1878American boxer (1878–1946)
- Born 1872Irish politician and writer, founder of Sinn Féin (1871–1922)
- Born 1844Scottish poet, novelist and literary critic (1844–1912)
March 31 birthstone
Aquamarine (sea blue). Aquamarine is linked with calm seas and courage, and sailors once wore it as a charm for safe voyages.
Bloodstone (green with red spots). Bloodstone is traditionally associated with strength, courage and good health.
March 31 birthday facts
- March 31 is the 90th day of the year (91st in leap years), leaving 275 days until the end of the year.
- March 31 is the 314th most common birthday in the U.S., with about 10,807 babies born on an average March 31(3% fewer than a typical day).
- In the Northern Hemisphere, March 31 birthdays fall in spring. In the Southern Hemisphere they fall in autumn.
- Babies born on March 31 were most likely conceived around July 9 of the previous year (about 38 weeks earlier).
- Your half birthday is September 30, six months after March 31.
- March 31 always falls after Chinese New Year, so your Chinese zodiac animal is simply the one for your birth year.
Born on March 31? 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.
More March birthdays
Frequently asked questions
What zodiac sign is March 31?
March 31 falls under Aries ♈, which runs from March 21 to April 19.
What is the birthstone for March 31?
The birthstone for March 31 is Aquamarine or Bloodstone, the March birthstones. The March birth flowers are Daffodil and Jonquil.
Who are famous people born on March 31?
Famous people born on March 31 include Johann Sebastian Bach (1685), René Descartes (1596), Al Gore (1948), Octavio Paz (1914), Lawrence Bragg (1890), Ewan McGregor (1971).
How common is a March 31 birthday?
March 31 is the 314th most common birthday out of 366, based on U.S. births from 1994 to 2014, with about 10,807 babies born on an average March 31.
What day of the year is March 31?
March 31 is the 90th day of the year in common years and the 91st day in leap years.