Edit Base Calendar in Project 2000

How to edit a base calendar in Microsoft Project 2000:

1. Ensure that no or all rows in the Resource Sheet are selected.
2. Select menu item Tools / Change Working Time.
3. In Change Working Time dialog, select the required calendar from the drop down list, then edit the calendar.

Note that if some rows are selected in the Resource Sheet is selected, you can only change the calendar for the first resource in the selection, not a base calendar.