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QtrRoundTS ( fmTimestamp )

Rounds a timestamp by quarter hour.

  Average rating: 4.2 (34 votes) Log in to vote

Brian E Sanchez Avant Garde Information Solutions, LLC. http://www.agisllc.com

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

/* FUNCTION: QtrRoundTS ( fmTimestamp ) Rounds a timestamp by quarter hour. VERSION: 1.0 */ Let ([ TS = fmTimestamp ; TSnum = GetAsNumber ( TS ) ; TSmin = Minute ( TS ) ; MinTarget = 60 * ( Round ( ( TSmin / 60 ) / .25 ; 0 ) * .25 ) ; MinAdjust = MinTarget - TSmin ; TSsec = Seconds ( TS ) ]; GetAsTimestamp ( TSnum + ( MinAdjust * 60 ) - TSsec ) ) Click to copy

Rounds a timestamp by quarter hour, by calculating the offset of the timestamp's numeric equivalent, instead of toying with dates/times, AM/PM, this/next year, etc.

 

Comments

		comment, VR Dec 17, 2009
How about just: Round ( timestamp / 900 ; 0 ) * 900

		Omelyan Burtnyk, Go To Logistics Jun 27, 2016
Thank you!

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