Work out next leap birthday instantly with clear inputs, formula shown and shareable results.
A 29 February birthday only recurs in leap years, so someone born in 1996 celebrates roughly once every four years. From 2026 the next 29 February is in 2028, two years away, when they turn 32 - their eighth actual leap-day birthday. The century rule occasionally stretches the gap to eight years, as it did around 1900.
Next leap year
the next year after the current one satisfying the Gregorian leap rule
Leap days since birth
count leap years from birth year to now
Between 1896 and 1904, because 1900 was skipped. It will happen again between 2096 and 2104.
It varies: some jurisdictions treat 28 February as the legal date and others 1 March, which matters for coming-of-age thresholds.