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Prince William is 2 years, 2 months and 25 days older than Prince Harry. William was born on 21 June 1982, and Harry on 15 September 1984—a difference of 817 days.
When were Prince William and Prince Harry born?
- Prince William: 21 June 1982. The Royal Family identifies him as the elder son and gives his birth date in his official biography. The Government of Canada also records that date in its biography of the Prince of Wales.
- Prince Harry: 15 September 1984, according to the Associated Press timeline “Key events in the life of King Charles III”, published 6 February 2024.
How old are they now?
As of 7 October 2026, William is 44 and Harry is 42. These are their completed ages on that date, calculated from their birth dates.
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