The Energy Saver software is not saving your request correctly. This can occur if the control panel is closed while displaying the "Scheduled Startup & Shutdown" options in Energy Saver's window. There is a workaround. Follow these steps to ensure your startup and shutdown settings are saved:
Workaround:1. Open the Energy Saver control panel. Set startup and shutdown times for the computer as desired.
2. Click the "Sleep Setup" button in the Energy Saver control panel window.
3. Close the Energy Saver control panel.
Note: This issue has been addressed in Mac OS 9.