Date Math

Calculate The First or Last Day of The Month for Any Given Date

  Finding the First Day of Any Month It is possible to settle automatically the First Day of Any Month. Although, there is no an specific function for returning the first day, this Tutorial will ...

Find the Start Day of a Week … For Any Date

Finding the Start of a Week (Sunday or Monday) It is possible to identify the initial date of the week through operations with Weekday Function. This function has dates as argument and returns a numbe...