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Leap Year Calculator
Check if a year is a leap year and view calendar details
Leap Year Rule: A year is a leap year if it is divisible by 4, except for end-of-century years which must be divisible by 400. Enter a year below.
Year Input
Calculation Results
⚠️ Leap years contain 366 days instead of the usual 365 days, with February having 29 days instead of 28.