Number of Weekdays between two dates - Set Based

By Calvin Lawson, 2004/12/24

Inspired by a post here at SQLServerCentral, I wrote this function to calculate the number of days between two dates that are weekdays. In order to achieve this I used a common SQL table that contains a sequence of number for 1 to X. This was used as an input to the datediff function, and the resulting date's "weekday" is checked to see if it was Saturday or Sunday (1 or 7). If so 0 otherwise 1, which is then summed up.

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Number of Weekdays between two dates - Set Based

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