# To view timezone
timedatectl
# list all available timezones
timedatectl list-timezones
# update timezone
sudo timedatectl set-timezone your_time_zone
sudo timedatectl set-timezone America/New_Yorktimedatectl
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