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 FileMaker Pro Custom Functions

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  Average rating: 4.3  (25 votes)
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Carlos Bittar, none
I have no website, sorry

Calculates if the current year is a leap-year

Sample Input:
Sample Output:
The chosen date is a leap-year

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.


Just calculates if the selected date is a leap-year.
Please be sure to set the date with 4-digits year.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


Any year which is divisible by 100 is not a leap year!

William, Boston
December 11, 2015 9:26am

Case (
IsEmpty ( SetDate ) ; "Please, set a date." ;
Mod ( Year ( SetDate ) ; 400 ) = 0 ; "The chosen date is a leap-year";
Mod ( Year ( SetDate ) ; 100 ) = 0 ; "The chosen date is NOT a leap-year" ;
Mod ( Year ( SetDate ) ; 4 ) = 0 ; "The chosen date is a leap-year" ;
"The chosen date is NOT a leap-year"

Ron Greene, Phoenix, AZ
December 27, 2015 8:39pm

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