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Leap Year Calculator

This calculator requires the use of Javascript enabled and capable browsers. This script uses a Julian calendar algorithm to determine if a given year is a leap year, or return what years are leap years within a range of years, past, present or future. There are actually two parts to this calculator; the first is for a single year and the second is for a range of years. Select the data you wish to use and click the appropriate Validate button.

Check Year Required Data Entry
Calculated Results

Check Year Range Required Data Entry
Start Year
End Year
Calculated Results
Calculated Leap Years In This Range
From To
Version 1.4.1

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