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NthDOWbyDate ( tDate )

Pick Nth day of week in month of specified date.

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Koji Takeuchi - Show more from this author TonicNote, Inc. https://tonicnote.com

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

/*--------------------------------------------------------- NthDOWbyDate ( tDate ) 2011.03.02, Koji Takeuchi <takeuchi@nemoux.com> 日付から「月の中でその曜日は何回目か」を得る Pick Nth day of week in month of specified date. ex: Pick Nth day of week in 2011/3/10. 2011/3/10 is Thursday and this function return the date is "Nth" Thursday in its month. NthDOWbyDate ( "2011/3/10" ) = 2 ---------------------------------------------------------*/ Case ( IsEmpty ( tDate ) or not IsValid ( GetAsDate ( tDate ) ) ; "?" ; Ceiling ( Day ( tDate ) / 7 ) ) Click to copy

Pick Nth day of week in month of specified date.

ex:
Pick Nth day of week in 2011/3/10.
2011/3/10 is Thursday and this function return the date is "Nth" Thursday in its month.
NthDOWbyDate ( "2011/3/10" ) = 2

 

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