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CFOTD

Tool

Celebrity age gap calculator

Pick any two celebrities and see exactly how far apart they were born, who is older, and how old one was when the other was born.

  • Marilyn Monroe is older than Siân Phillips by 6 years, 11 months and 13 days.
  • When Siân Phillips was born, Marilyn Monroe was 6.
  • On April 26, 1940, Marilyn Monroe was exactly twice as old as Siân Phillips.
  • Marilyn Monroe is Gemini and Siân Phillips is Taurus.

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Famous age gaps

Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake