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$ timedatectl

Local time: Mon 2016-08-29 16:20:35 CST

Universal time: Mon 2016-08-29 08:20:35 UTC

RTC time: Mon 2016-08-29 08:18:07

Time zone: Asia/Shanghai (CST, +0800)

NTP enabled: yes

NTP synchronized: no

RTC in local TZ: no

DST active: n/a

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$ timedatectl -h

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 Control whether NTP is enabled

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$ sudo timedatectl set-time 15:26:58$ timedatectl

Local time: Mon 2016-08-29 15:27:00 CST

Universal time: Mon 2016-08-29 07:27:00 UTC

RTC time: Mon 2016-08-29 07:27:00

Time zone: Asia/Shanghai (CST, +0800)

NTP enabled: no

NTP synchronized: no

RTC in local TZ: no

DST active: n/a