After the working days have been created, the exceptions must be determined.
Open the Shop Calendars window.
In the Shop Calendars window, click Shop Cal., Holidays .
Enter the planned holiday. The holiday may be only a portion of the planned work time. In this case, enter only the corresponding period of time by filling in the Starting Date-Time and Ending Time fields.
For Help about a specific field, click the field and press F1.
Setting Up Working Calendars