Linux command: timedatectl

The trouble is, you think you have time.

— Buddha

timedatectl - Control the system time and date

learnlinuxfree@002:~# timedatectl --help
timedatectl [OPTIONS...] COMMAND ...

Query or change system time and date settings.

  -h --help                Show this help message
     --version             Show package version
     --no-pager            Do not pipe output into a pager
     --no-ask-password     Do not prompt for password
  -H --host=[USER@]HOST    Operate on remote host
  -M --machine=CONTAINER   Operate on local container
     --adjust-system-clock Adjust system clock when changing local RTC mode

Commands:
  status                   Show current time settings
  set-time TIME            Set system time
  set-timezone ZONE        Set system time zone
  list-timezones           Show known time zones
  set-local-rtc BOOL       Control whether RTC is in local time
  set-ntp BOOL             Enable or disable network time synchronization
learnlinuxfree@002:~# 

[learnlinuxfree@rhel1 ~]$ timedatectl
      Local time: Tue 2019-04-23 10:25:51 +07
  Universal time: Tue 2019-04-23 03:25:51 UTC
        RTC time: Tue 2019-04-23 03:25:51
       Time zone: Asia/Ho_Chi_Minh (+07, +0700)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
      DST active: n/a
[learnlinuxfree@rhel1 ~]$ 

Set timezone

$ timedatectl set-timezone Asia/Ho_Chi_Minh