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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.

  • John Lennon is older than Jan Hammer by 7 years, 6 months and 8 days.
  • When Jan Hammer was born, John Lennon was 7.
  • On October 25, 1955, John Lennon was exactly twice as old as Jan Hammer.
  • John Lennon is Libra and Jan Hammer is Aries.

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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