If you come to work in the morning and your PC is already on, who turned it on? Was it an automatic update, or did someone physically access your machine? Unusual on/off times are often the first red flag of a security breach or unauthorized physical access.
Use the command shutdown -s -t [seconds] in the Run dialog ( Win + R ). For example, shutdown -s -t 3600 shuts it down in one hour. PC On Off Time
Use to create automated shutdown or restart routines. If you come to work in the morning