About system wide non-work dates
IBM® Operações de Marketing allows you account for time where, by default, no work will be done on tasks. Operações de Marketing does not include non-work time in task duration calculations.
You can specify non-work time in date ranges or as single dates.
To add a non-work date
To remove a non-work date
To change the list of non-working business dates
Non-working Business Dates summary page