Check if any year is a leap year. Find out how many days are in February and whether a year has 365 or 366 days.
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How this calculator works
A year is a leap year if divisible by 4, except end-of-century years which must be divisible by 400.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.