Set Different Time Zone

We can change time zone temporarily by using TZ Environment Variable but for permanent change we can use following ways to set different time zone in linux.

Using timedatectl

$ sudo timedatectl set-timezone {TIME_ZONE}

Example

$ sudo timedatectl set-timezone Asia/Kolkata

Firstly, we to remove current symbolic link by -

$ sudo rm -rf /etc/localtime

Then subtitute your time zone in following command

$ sudo ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime

Verify it by running date command

Source: Linuxize