# show the list of timezones

[root@dlp ~]# timedatectl list-timezones

Asia/Aden
Asia/Almaty
Asia/Amman
Asia/Anadyr
Asia/Aqtau
Asia/Aqtobe
Asia/Ashgabat
...
...
...
Pacific/Rarotonga
Pacific/Saipan
Pacific/Tahiti
Pacific/Tarawa
Pacific/Tongatapu
Pacific/Wake
Pacific/Wallis

# set timezone

[root@dlp ~]# timedatectl set-timezone Asia/Ho_Chi_Minh
# show status

[root@dlp ~]# timedatectl
      Local time: Fri 2019-05-24 14:27:01 +07
  Universal time: Fri 2019-05-24 07:27:01 UTC
        RTC time: Fri 2019-05-24 07:27:01
       Time zone: Asia/Ho_Chi_Minh (+07, +0700)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
      DST active: n/a