August 18 zodiac sign, birthday facts & famous birthdays
If your birthday is August 18, your zodiac sign is Leo ♌, your birthstone is Peridot or Spinel or Sardonyx and your birth flower is Gladiolus or Poppy. You share your birthday with Roman Polanski and Franz Joseph I.
- Zodiac sign
- ♌ Leo
- Element
- Fire
- Ruling planet
- the Sun
- Birthstone
- Peridot, Spinel, Sardonyx
- Birth flower
- Gladiolus, Poppy
- Day of year
- 230th
- Popularity
- 57th of 366
- Half birthday
- February 18
- Next August 18
- August 18
Days until the next August 18: —
August 18 zodiac: Leo ♌
People born on August 18 fall under Leo, the 5th sign of the zodiac, which covers birthdays from July 23 to August 22. Leo is a fixed fire sign ruled by the Sun, and its symbol is the lion.
Leo is ruled by the Sun, and the sign is linked with warmth, creativity and self-expression. The Lion is traditionally cast as a confident, generous personality who enjoys the spotlight and lifts up the people around them.
Famous people born on August 18
Well-known people who celebrate their birthday on August 18, ranked by how widely they are covered on Wikipedia.
- Born 1933French-Polish filmmaker (born 1933)
- Born 1830Emperor of Austria and King of Hungary (1830-1916)
- Born 1936American actor and director (1936–2025)
- Born 1969American actor
- Born 1952American actor, producer, singer and dancer (1952–2009)
- Born 1932French virologist and joint recipient of the Nobel Prize of Physiology or Medicine (2008)
- Born 196263th President of Mexico
- Born 1927First Lady of the United States from 1977 to 1981
- Born 1920American actress (1920–2006)
- Born 1792Prime Minister of the United Kingdom, 1846–1852 and 1865–1866 (1792–1878)
- Born 1933French football player and manager (1933-2023)
- Born 1983British-Lebanese musician, singer and songwriter
- Born 1997Portuguese association football player
- Born 1980Argentine association football player (born 1980)
- Born 1957French actress (b. 1957)
- Born 1969American actor and producer (born 1969)
- Born 1922French author and film director (1922–2008)
- Born 1943Italian footballer and politician
- Born 1985Costa Rican footballer
- Born 1900Indian diplomat and politician (1900-1990)
- Born 1685English mathematician (1685–1731)
- Born 1971British electronic musician (born 1971)
- Born 1925British science fiction writer (1925–2017)
- Born 1958American actress (born 1958)
- Born 1912Italian novelist (1912–1985)
- Born 1978American comedian and actor (born 1978)
- Born 1935Namibian politician
- Born 1941Tunisian politician
- Born 1906French film director (1906 – 1996)
- Born 1969American historian (born 1969)
- Born 1981Greek footballer
- Born 1959Indian politician
- Born 1980Bosnian association football player
- Born 1984German association football player
- Born 1606Wife of Holy Roman Emperor Ferdinand III (1606-1646)
- Born 1774American explorer (1774-1809)
- Born 1988South Korean rapper, singer, songwriter and record producer
- Born 1978Chinese-American businessman
- Born 1700General of the Maratha Empire in India (1700-1740)
- Born 1921Soviet flying ace
August 18 birthstone
Peridot (lime green). Peridot is linked with strength and good fortune. Some peridot has even been found in meteorites.
Spinel (many colours, often red). Spinel is associated with renewal and energy, and was long mistaken for ruby.
Sardonyx (red and white bands). Sardonyx is traditionally linked with courage, happiness and clear communication.
August 18 birthday facts
- August 18 is the 230th day of the year (231st in leap years), leaving 135 days until the end of the year.
- August 18 is the 57th most common birthday in the U.S., with about 11,719 babies born on an average August 18(5% more than a typical day).
- In the Northern Hemisphere, August 18 birthdays fall in summer. In the Southern Hemisphere they fall in winter.
- Babies born on August 18 were most likely conceived around November 26 of the previous year (about 38 weeks earlier).
- Your half birthday is February 18, six months after August 18.
- August 18 always falls after Chinese New Year, so your Chinese zodiac animal is simply the one for your birth year.
Born on August 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 August 18?
August 18 falls under Leo ♌, which runs from July 23 to August 22.
What is the birthstone for August 18?
The birthstone for August 18 is Peridot or Spinel or Sardonyx, the August birthstones. The August birth flowers are Gladiolus and Poppy.
Who are famous people born on August 18?
Famous people born on August 18 include Roman Polanski (1933), Franz Joseph I (1830), Robert Redford (1936), Edward Norton (1969), Patrick Swayze (1952), Luc Montagnier (1932).
How common is a August 18 birthday?
August 18 is the 57th most common birthday out of 366, based on U.S. births from 1994 to 2014, with about 11,719 babies born on an average August 18.
What day of the year is August 18?
August 18 is the 230th day of the year in common years and the 231st day in leap years.