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 FileMaker Pro Custom Functions

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ParseTime ( timeText )

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  Average rating: 4.3  (37 votes)
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Fritz Mills, Media LightBridge, LLC

This function parses and reformats time (hours and minutes) casually entered into a text field so that it can be converted to a valid time by Filemaker.

Sample Input:
Sample Output:
12:45 PM

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.


This function parses and reformats time (hours and minutes) casually entered into a text field so that it can be converted to a valid time by Filemaker. It also includes tests so that, if an invalid time string is entered, it will return an error message instead of an invalid time. Further, it incorporates code from the TimeMask custom function written by Steve Gerow of Abrazos Data Consulting that logically assigns AM or PM to times entered without that data between 7am and 7pm. Many thanks to Steve, and to Brian Dunning.

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

This is my Custom Function and I want to edit it


Adding the following as the first Case element at the end allows an empty time entry to pass FMP validation when this function returns its result directly into a FMP time field.

Case ( isempty ( nums ) , "" , //Return the empty field so validation works.

This is a great custom function!

Lewis C. Lorenz, Tulsa, OK
December 17, 2015 6:32pm

Remove the first line of this, "ParseTime ( timeText )" from the calculation body.

Ross Thompson, Rockford, IL
July 11, 2016 9:20am

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