How to calculate working days May 13, 2008 2:17:37 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by cosmicice on May 13, 2008 2:17:37 GMT -6 In sharepoint 3.0, to calculate difference between 2 dates, I used calculated column, and the formula is: DATEDIF(Column1, Column2,"d") but how to calculate difference excluding weekends.?