# of employees staffed at specific times of the day

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Please try the following in B4 copied down to B40:

Formula:

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Let us know whether this does what you want.

Thanks, Geoff! It looks like it's doing what it's supposed to until the blank cells start happening.

For sure A4 should be equal to '12' but I think it's summing up each record in E:E which is 17. Not sure how Sumproduct treats blank cells.

Any suggestions?

Your post #1 attachment had "n/a"s instead of blanks for the part-timers which worked a little better, but on closer examination still not completely accurately either.

For a simple solution do you have the latitude to move the part timer's break, break-end and "end" four columns to the left? In other words move T17:V21 to F17:H21 ??
That, I think, would work with the existing sumproduct() formula.

Good! Thanks for the feedback.

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