This returns the actual number of work days between two Date and Times (both inclusive), according to the calendar defined for the system.
calworkdays( start datetime, end datetime, [calendar name] )
start_datetime: (Date and Time) The starting Date and Time.
end_datetime: (Date and Time) The ending Date and Time.
calendar_name: (Text) This optional parameter accepts the name of a system calendar; otherwise, the default calendar is used.
Passing a calendar name allows you to count working days using an alternate system calendar, if you have multiple calendars configured.
See also: Process Calendar Settings
You can experiment with this function in the test box below.
If you want to calculate the total number of days in between two dates (including weekends, holidays, and other designated non-working days) you don't need to use this function. Simply subtract date 1 from date 2, as in the following example: