Hi. I have a downloadable report that shows individual transactions. For
each transaction there is an entry in the "Date" column and in the
"Time" column. I have created a second sheet to record the number of
transactions by date and hour (i.e. July 1 at 10 am, 11 am, etc., July
2 at 10 am, etc.).

If I create an additional column in the original report worksheet
titled "HourData" and use the Hour worksheet function on the time
column, I have no problem using an array formula like
{=sum((HourData=10)*(Date=07/01/06))} to count only instances of a
particular date and hour. Or, I can use a pivot table and group the
times by hour.

However, I'd like to skip the creation of the "HourData" column or
creating a pivot table. Is there any way I can specify that I want to
compare only the "hour" information in the "Time" column to my defined
criteria. This even goes to simple Countif and Sumif functions. How can
I count or sum only specific hours from a range of times?

Thanks.


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ChristiaanV
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