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Last_Saturday ( Date_1 )

Enter a date in the Date_1 field and the calculation will return the last Saturday of that month.

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Michael Myett - Show more from this author FileMaker Apps

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

Let ( [ M = Month ( Date_1 ) + 1; Y = Year ( Date_1 ); D = 1; Last = Date ( M ; D ; Y ) - 1 ] ; Last - DayOfWeek ( Last ) + If ( DayOfWeek ( Last ) = 7 ; 7 ; 0 ) ) Click to copy

Enter a date in a date field called Date_1, using the following format, XX/01/XXXX. Create a calculation field using this custom function with the date field as input and it will return the date of the last Saturday in that month.

 

Comments

		Crisix, Vienna Apr 12, 2011
You could use: Date_1 - Mod ( Date_1 ; 7 ) - 1

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