As example you can:
- Start a download of a big file via Safari in the evening and Power Utility will watch the download and will shutdown your Mac in the night when the download via Safari (or other browsers) is finished.
- Have your mac shutdown unattended any friday at 10 PM
- Set your mac to restart any month on day 15 at 3.30 AM
- Set your set all the Mac of your office to go in sleep mode if the word SLEEP is found in a