Hello TeachMeIT,

You can use the function Logon Hours to achieve what you want.

To do this , please follow the steps below:

1- Start the Active Directory Users and Computers ADUC. (Start, Administrative Tools, Active Directory Users and Computers).

2- Locate the container that contains the user(s) account(s) that you want.

3- In the right pane, right-click the user account, and then Properties.

4- Click the Account tab, and then click <b>Logon Hours</b>.

5- Select the time blocks that you want to deny the user logon, and then click Logon Denied.

This should do the trick.