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Determine leap year


ly = leapyear(year)


ly = leapyear(year) determines whether one or more years are leap years or not. The output, ly, is a logical array. year should be numeric.


Determine whether 2005 is a leap year:

ly = leapyear(2005)

ly =


Determine whether 2000, 2005, and 2020 are leap years:

ly = leapyear([2000 2005 2020])

ly =

  1     0     1

Assumptions and Limitations

The determination of leap years is done by Gregorian calendar rules.

Introduced in R2006b