SHELL

linux set date timezone

# To view timezone
timedatectl

# list all available timezones
timedatectl list-timezones

# update timezone
sudo timedatectl set-timezone your_time_zone

check timezone linux

date
timedatectl

linux how to display current time with timezone

timedatectl

Output
------------
                      Local time: Tue 2019-12-03 16:30:44 UTC
                  Universal time: Tue 2019-12-03 16:30:44 UTC
                        RTC time: Tue 2019-12-03 16:30:44
                       Time zone: Etc/UTC (UTC, +0000)
       System clock synchronized: no
systemd-timesyncd.service active: yes
                 RTC in local TZ: no

where are timezones located linux

/usr/share/zoneinfo/