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Easter ( ~year )

Returns the date Easter falls on a given year (up to year 2100)

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Jake Scheele - Show more from this author Edimate http://www.edimate.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// Easter ( year ) // Author/Date: Jake Scheele 11/17/23 www.edimate.com // Purpose: Returns the Date of Easter for a given year // Notes: Easter is the first Sunday after the full Moon that occurs on or after the spring equinox. This Full Moon is also called the Paschal Moon. // This function works on Years up to 2100 Let ([ ~year = 2024 ; ~paschalMoonDate = Choose ( Mod ( ~year ; 19 ) ; Date ( 4 ; 14 ; ~year ) ; Date ( 4 ; 3 ; ~year ) ; Date ( 3 ; 23 ; ~year ) ; Date ( 4 ; 11 ; ~year ) ; Date ( 3 ; 31 ; ~year ) ; Date ( 4 ; 18 ; ~year ) ; Date ( 4 ; 8 ; ~year ) ; Date ( 3 ; 28 ; ~year ) ; Date ( 4 ; 16 ; ~year ) ; Date ( 4 ; 5 ; ~year ) ; Date ( 3 ; 25 ; ~year ) ; Date ( 4 ; 13 ; ~year ) ; Date ( 4 ; 2 ; ~year ) ; Date ( 3 ; 22 ; ~year ) ; Date ( 4 ; 10 ; ~year ) ; Date ( 3 ; 30 ; ~year ) ; Date ( 4 ; 17 ; ~year ) ; Date ( 4 ; 7 ; ~year ) ; Date ( 3 ; 27 ; ~year ) ) ; ~moonDayOfWeek = DayOfWeek ( ~paschalMoonDate ) ; ~easter = ~paschalMoonDate + ( 8 - ~moonDayOfWeek ) ]; ~easter ) Click to copy

Uses the Paschal moon dates to calculate and return the date Easter falls on a given year (up to year 2100)

 

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