[LINUX] Set the time zone to Japan Standard Time


When I ran ** date **, the system clock was out of order. Rather, it was 9 hours later than ** UTC (Coordinated Universal Time) ** because the time zone could not be set, so I will set it to Japan Standard Time. Japan's standard time is ** UTC + 09: 00 ** because there is a 9-hour time difference from Coordinated Universal Time.


Ubuntu 16.04.5 LTS


Refer to the current time zone setting.


      Local time: Mon 2020-01-06 05:04:33 UTC
  Universal time: Mon 2020-01-06 05:04:33 UTC
        RTC time: Mon 2020-01-06 05:04:33
       Time zone: Etc/UTC (UTC, +0000)
 Network time on: yes
NTP synchronized: no
 RTC in local TZ: no

 Confirm that Japan Standard Time can be set.

$timedatectl list-timezones | grep Tokyo


 Set to Japan Standard Time.

$sudo timedatectl set-timezone Asia/Tokyo

 Make sure it is set correctly.

      Local time: Mon 2020-01-06 14:06:12 JST
  Universal time: Mon 2020-01-06 05:06:12 UTC
        RTC time: Mon 2020-01-06 05:06:12
       Time zone: Asia/Tokyo (JST, +0900)
 Network time on: yes
NTP synchronized: no
RTC in local TZ: no

 Check that the system clock is displayed correctly.


 When I checked the hardware clock, it was fixed together.

hwclock -r

# Reference article


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