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CFOTD

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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.

  • Louis Armstrong is older than Alice Herz-Sommer by 2 years, 3 months and 22 days.
  • When Alice Herz-Sommer was born, Louis Armstrong was 2.
  • On March 19, 1906, Louis Armstrong was exactly twice as old as Alice Herz-Sommer.
  • Louis Armstrong is Leo and Alice Herz-Sommer is Sagittarius.

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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