Isleap

Version 2.0.0.0 (13.8 KB) by Giuseppe Cardillo
Calculate leap year
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3.9K Downloads
Updated 19 Nov 2025
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ISLEAP True for leap year.
ISLEAP(Year) returns 1 if Year is a leap year and 0 otherwise.
ISLEAP is only set for gregorian calendar, so Year >= 1583
Syntax: ISLEAP(YEAR)

Inputs:
YEAR - Year of interest (default = current year).
You can input a vector of years.
Outputs:
Logical vector.

Example:

Calling on Matlab the function: isleap

Answer is: 0

Calling on Matlab the function: x=isleap([2007 2008])

Answer is:
x = 0 1

Created by Giuseppe Cardillo
giuseppe.cardillo-edta@poste.it
Modified after Simon Jan suggestions
To cite this file, this would be an appropriate format:
Cardillo G. (2007) Isleap: a simple routine to test if a year is leap.
http://www.mathworks.com/matlabcentral/fileexchange/14172

Cite As

Giuseppe Cardillo (2026). Isleap (https://github.com/dnafinder/isleap), GitHub. Retrieved .

MATLAB Release Compatibility
Created with R2014b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
2.0.0.0

inputparser and github link
1.4.0.0

Changes in description
1.3.0.0

Modified after Simon Jan comment (also added into the help lines)
1.2.0.0

Change in description
1.1.0.0

Changes in help section
1.0.0.0

Improvement in input error handling
To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.