Brian Dunning's FileMaker Custom Functions

DayCounter ( Date_Start ; Date_End ; Days_of_Week )

Counts number of times a day or days occurs over a date range

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Josh Morton   Josh Morton

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  Sample input:
_DayCounter ( Date ( 1 ; 1 ; 2010 ) ; Date ( 3 ; 31 ; 2010 ) ; "2ΒΆ4" )
  Sample output:

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

For example if you want to know how many Mondays and Wednesday occur between Jan 1st and March 31st. (For example in 2009 it was 25 in 2010 it as 26)



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

Under construction. Email me your wish list for improvements.