MP --
In a Microsoft Project plan, the order of precedence for calendars is as
follows:
1. When you specify the Project Calendar (Project - Project Information)
for the project, this calendar governs the intial task schedule before you
assign resources to the task.
2. When you assign resources to a task, the resource calendars control the
task schedule.
3. You can override either the Project Calendar or the resource calendars
on a task by assigning a Task Calendar.
To assign a Task Calendar, double-click the name of the task and then click
the Advanced tab. Click the Calendar pick list and select the override
calendar, and then select the "Scheduling ignores resource calendars" option
as well. Click OK when finished. Hope this helps.
