You can use the Mac's Parental Controls feature to control when your Mac will be available for use by anyone who has a managed user account, as well as how long they may use it.
Set Up Weekday Time Limits
In the Weekday Time Limits section
- Place a check mark in the 'Limit computer use to' box.
- Use the slider to set a time limit from 30 minutes to 8 hours of use in a single day.
Set Up Weekend Time Limits
In the Weekend Time Limits section:
- Place a check mark in the 'Limit computer use to' box.
- Use the slider to set a time limit from 30 minutes to 8 hours of use in a single day.
Prevent Computer Use on School Nights
You can prevent the computer from being used by a managed user during specified time periods on school nights.
- To control weekday use, place a check mark next to the 'School nights' box.
- Click the hours or minutes in the first time field, and either type in a time or use the up/down arrow to set the beginning of the time when the computer may not be used.
- Repeat the above step for the second time field to set the end of the time when the computer may not be used.
Prevent Computer Use During Weekends
You can prevent the computer from being used by a managed user during specified time periods on the weekend.
- To control weekend use, place a check mark next to the 'Weekend' box.
- Click the hours or minutes in the first time field, and either type in a time or use the up/down arrow to set the beginning of the time when the computer may not be used.
- Repeat the above step for the second time field to set the end of the time when the computer may not be used.