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Date Difference Without Weekends

Good day,

I have searched google and many forums and cannot find out what formula I can use to calculate the difference between two dates while not including weekends. For example in cell A1 I have 27-Feb-07 and in B1 I have 05-Mar-07 ; it is possible to to calculate the difference between these by not including weekends. The weekends I am refering to are Saturday and Sunday.

Thank you for your help,

Chris


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