Leap Year Calculator
Check if a year is a leap year and find the next and previous leap years.
Assumptions used in this calculation
- Calendar: Uses Gregorian calendar leap year rules: divisible by 4, except century years, unless also divisible by 400.
About this calculator
The leap year calculator checks whether a given year is a leap year under the Gregorian calendar rules, and finds the nearest leap years before and after it.
Worked example
2024
Result: Yes, 366 days
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