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