You can quickly change your hours right from your schedule view. Here are the steps:
1. Click on the greyed out area of the day you wish to change.
2. A new window opens displaying your current available hours.
3. To change your hours for the day simply select your new hours and click Save.
4. If you want to close your day check off the closed box and click Save. To change your hours back click the grey area again to re-open the window and click the Reset button.