How can I permanently change my timezone in Linux?

To change the time zone in Linux systems use the sudo timedatectl set-timezone command followed by the long name of the time zone you want to set.

How do you change the time in Unix?

The basic way to alter the system’s date in Unix/Linux through the command line environment is by using “date” command. Using date command with no options just displays the current date and time. By using the date command with the additional options, you can set date and time.