Default Display for Participant Schedule
In the schedule of the Participant Availability subview, you can choose to display only your work hours or all 24 hours of the day.
To set up a default display for the participant schedule
From the application-level menu, choose Tools, then User Preferences.
The User Preferences screen appears.
Navigate to the Calendar view.
The Calendar form appears.
From the drop-down list for the Participant Chart Display field, choose Working Hours or 24 Hours.