Shutdown timer is the freeware that can shutdown your computer automatically at a time period you choose. You can fall asleep while listening to your favorite music without having to worry about shutting down your computer.It supports shutdown,restart,log off,lock and hibernation of a system at a particular time or after a time interval.

Auto Shutdown: It can shutdown system at a particular time or after a time interval.
Auto Reboot: It can restart system at a particular time or after a time interval.
Auto Hibernate: It can Hibernate system at a particular time or after a time interval.
Auto Log off: It can Log Off system at a particular time or after a time interval.
Auto Standby: It can put system to stand by at a particular time or after a time interval.
Auto Lock: It can automatically lock system at a particular time or after a time interval.