Leap Year Checker
Check if any year is a leap year and find the next leap year.
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A leap year has 366 days, with an extra day on February 29. The rule: a year is a leap year if it is divisible by 4 — except century years, which must be divisible by 400. So 2000 was a leap year but 1900 was not. Enter any year to check it and find the next one.