# excel formula

I want to calculate the time it took to send out a communication.  I have the engaged start time, cell AR and the sent time cell, AU.  Since there are times when we can be engaged but no communication is sent I created the following formula to calculate the sent time:
=IF(AU2<AR2, 0,AU2-AR2)
The results are put into field column BB and formatted h:mm:ss

Now I have created another formula to count the total number of communications that are sent in the month:
=COUNTIFS('IM Raw Data'!\$J:\$J,">="&"11/01/2014",'IM Raw Data'!\$J:\$J,"<="&"11/30/2014",'IM Raw Data'!\$G:\$G,'HTSN&HBCA'!\$A6,'IM Raw Data'!\$H:\$H,"HBUS").  This formula works correctly and return 28 records.

I have another to count the total number that sent within 15 mins:
=COUNTIFS('IM Raw Data'!J:J,">="&"11/01/2014",'IM Raw Data'!J:J,"<="&"11/30/2014",'IM Raw Data'!H:H,"HBUS",'IM Raw Data'!BB:BB,"<="&"0:15:00").  This returns a value of 22 when it should be returning a value of 23.

What am I missing here?  How can I error check column BB to make sure that my values are being counted correctly?
Microsoft Excel

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Rrave26
Professor J

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Rrave26

I am sorry, use it where?  In my countifs formula?
Professor J

instead of using this "0:15:00"  use TIME(0,15,0)
Rrave26

I am confused, I have used a formula already to calculate this time frame.  How would I incorporate this time formula into this?
Professor J

=COUNTIFS('IM Raw Data'!J:J,">="&"11/01/2014",'IM Raw Data'!J:J,"<="&"11/30/2014",'IM Raw Data'!H:H,"HBUS",'IM Raw Data'!BB:BB,"<="&time(0,15,0))
Rrave26

Ok, I see what you are getting at.  I have tried that and there is no change in the result.  I still show 22 records when I should have 23.
Danny Child

any chance of a sample sheet to look at here?
Rrave26

Ok, I used the function a bit differently in that I used it in an if statement and just counted the positive, true, results in the formula and that fixed it.
Microsoft Excel

Microsoft Excel topics include formulas, formatting, VBA macros and user-defined functions, and everything else related to the spreadsheet user interface, including error messages.

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