Something like this should work for you:
In say, T3:
=IF(COUNTA(P3,R3,S3)<3,"",SUMPRODUCT((MAIN!$A$10:$A$4999>=P3)*(MAIN!$A$10:$A$4999<=R3)*(MAIN!$B$10:$B$4999=S3))
where P3, R3 houses the start and end dates,
S3 contains the client, eg: A
Adapt the ranges to suit
--
Max
Singapore
http://savefile.com/projects/236895
xdemechanik
---
"capt" wrote:
> Below is a small part of the table. I need to count each client (col B)
> relative to the dates.
> ie between 5-sep-07 and 10-sep-07
> client A = 4
> client B = 3
>
> A B C D
> Date Client Hours Total
> 5-Sep-07 A 5:20 5:20
> 7-Sep-07 B 5:15 10:35
> 8-Sep-07 A 10:05 20:40
> 9-Sep-07 B 0:35 21:15
> 9-Sep-07 B 7:40 28:55
> 9-Sep-07 A 0:15 29:10
> 10-Sep-07 A 0:15 29:25
> and so on.....