Scenario: When you have some servers in your enterprise environment running in different timezones. It is vital to have your servers (Master and Slaves) running in the same time zone. This helps in having an accurate timestamp of events.
The command timedatectl prints extensive information about the timezone as shown below:
Another way to achieve this is by running the syntax below
hwclock --show
To list available timezones, run the command below
timedatectl list-timezones
Time-zone can be changed by executing the following command below
sudo timedatectl set-timezone <timezone>
Next, Restart the Server with the command below
shutdown -r
On how to change timezone in Ubuntu, see the following link https://linuxize.com/post/how-to-set-or-change-timezone-on-ubuntu-18-04/