Leap year checker
Find out whether a year contains 29 February. Century years must be divisible by 400.
2026 is not a leap year
Next leap year: 2028
Previous leap years: 2024, 2020, 2016, 2012, 2008
The calculation rule
- If the year is not divisible by 4, it is a common year.
- If it is divisible by 4 but not by 100, it is a leap year.
- If it is divisible by 100, it is a leap year only when it is also divisible by 400.
Frequently asked questions
A year is a leap year if it is divisible by 4, except century years, which must also be divisible by 400. 2000 was a leap year; 1900 was not; 2100 will not be.
No. Date tools on this site reject 29 February in common years as an invalid date.