Reset Exception Day to Default

1. The Project Settings form can be opened by using the Project Settings button
   on the Home page of the ribbon.
2. Select the Scheduling Calendars option under the Calendars section of the tree in the form.
3. Select the relevant calendar in the calendar list on the page.
4. Use the mouse (or arrow keys) to select the relevant date (s) (e.g. 24 December 2012) in the calendar grid.
5. Press the Default button to revert the working times for the selected dates to the defaults specified for the relevant days of week.
6. Press the Close button to apply the changes.