Specifying the times that a user can logon to a PC can be quite helpful, especially in cases such as limiting your child’s access to the computer. Windows Vista allows you to do this via the Parental Controls. You can also do this in Windows XP by using the command line and following this Tech-Recipe.
1. Open a command prompt.
2. Execute the following command:
net user
where username is the name of the user you wish to limit. The days can be modified using M,T,W,Th,F,Sa and Su. The time can also be changed but must be in hourly increments.
You can also use different times for each day:
net user
