timedatectl - Control the system time and date
To display the current settings
$ timedatectl
To Show current time settings
$ timedatectl status
To Show properties of systemd-timedated
$ timedatectl show
To change settings
$ sudo timedatectl set-timezone Asia/Hong_Kong
$ sudo timedatectl set-timezone Asia/Tokyo
To list the time zones
$ timedatectl list-timezones | column
To display the number of time-zones available
$ timedatectl list-timezones | wc -l
To Show status of systemd-timesyncd
$ timedatectl timesync-status
To Show properties of systemd-timesyncd
$ timedatectl show-timesync
To Show all properties, including empty ones
$ timedatectl -a
To Set system time
$ timedatectl set-time <TIME>
To Set system time zone
$ timedatectl set-timezone <ZONE>
To Show this help options
$ timedatectl --help
regards,
T.Dhanasekar