There are many commands and applications that uses system time zone to perform various operations. In that scenario is important to set correct time zone in the system.
This tutorial shows how to change time zone using timedatectl command on Ubuntu 20.04.
Current time zone
We can execute
timedatectl command without any arguments to find out which time zone is currently set in the system.
Command provides output that is similar to the following:
Local time: Sat 2021-09-25 06:23:13 UTC Universal time: Sat 2021-09-25 06:23:13 UTC RTC time: Sat 2021-09-25 06:23:13 Time zone: Etc/UTC (UTC, +0000) System clock synchronized: yes NTP service: active RTC in local TZ: no
List of time zones
Before changing the time zone, can be useful to determine all available time zones:
A part of the output:
...... America/Moncton America/Monterrey America/Montevideo America/Montreal America/Montserrat America/Nassau America/New_York America/Nipigon ......
Change time zone
Once you determined which time zone is appropriate for you, use
set-timezone argument to change time zone in the system. For example, the following command sets New York time zone:
sudo timedatectl set-timezone America/New_York
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