linux set date timezone

C++
# To view timezone
timedatectl

# list all available timezones
timedatectl list-timezones

# update timezone
sudo timedatectl set-timezone your_time_zone
sudo timedatectl set-timezone <your_time_zone>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
Source

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