This text field requires a time. You need to type the time in your country's format; this format is set in the Date and Time System Preference.
The event will be performed daily at the time specified here.
As you type, Power Manager will show you the time it will use. In the USA you can type any of the following:
You can select the days this event will be performed.
This menu item presents a Days window letting you choose any combination of days. At least one day of the week must be enabled.