troubleshooting Question

excel formula

Avatar of Rrave26
Rrave26 asked on
Microsoft Excel
8 Comments1 Solution112 ViewsLast Modified:
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?
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