If you want it in minutes

=((NETWORKDAYS(A1,A2)-(WEEKDAY(A1,2)<6)-(WEEKDAY(A2,2)<6))*9
+((WEEKDAY(A1,2)<6)*(MIN(MAX(0,TIME(17,0,0)-MOD(A1,1)),TIME(8,0,0)))
+(WEEKDAY(A2,2)<6)*(MIN(MAX(MOD(A2,1)-TIME(8,0,0),0),TIME(8,0,0))))*24
-SUMPRODUCT(--(WEEKDAY(holidays,2)<5),--(ISNUMBER(MATCH(holidays,ROW(INDIRECT(INT(A1)+1&": "&INT(A2)-1)),0))))*9)*60

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HTH

Bob

"JQS" wrote in message
...
Need to calculate "business minutes" between dates.
ie...08/29/08 4:00p to 9/2/08 9:00a result in 120 minutes (due to 8a-5p
work day, less weekends and holidays). Can you help? thank you
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JQS