Hi guys,
I have a list of time and volume. e.g.
I'm trying to sum up the volume if they fall within a half hour time interval (e.g. between 0:00 to 0:30 and 0:30 to 1:00 etc.)
I've tried SUMPRODUCT and SUMIF but none of them seem to be working. Can anyone help out please.
Thank you!
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