Check whether a year has 29 February. The answer explains the rule (every 4 years, except century years not divisible by 400) and lists the leap years just before and after. Check many years at once, one per line.
loading toolHow to check a leap year
- Type a year (or several, one per line).
- The answer and the reason appear at once.
- See the leap years before and after it.
Questions
Why is 1900 not a leap year but 2000 is?
Century years are leap years only when divisible by 400. 2000 ÷ 400 works; 1900 ÷ 400 does not.
When is the next leap year?
2028, then 2032 and 2036.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.





























