Debian 11.2にタイムゾーンを変更する方法

2021年12月24日

環境情報
# cat /etc/debian_version
11.2

タイムゾーンの設定方法
1.現在設定されているタイムゾーンを確認します

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# timedatectl
Local time: Thu 2021-12-23 22:53:57 EST
Universal time: Fri 2021-12-24 03:53:57 UTC
RTC time: Fri 2021-12-24 03:53:57
Time zone: US/Eastern (EST, -0500)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
# timedatectl Local time: Thu 2021-12-23 22:53:57 EST Universal time: Fri 2021-12-24 03:53:57 UTC RTC time: Fri 2021-12-24 03:53:57 Time zone: US/Eastern (EST, -0500) System clock synchronized: yes NTP service: active RTC in local TZ: no
# timedatectl
               Local time: Thu 2021-12-23 22:53:57 EST
           Universal time: Fri 2021-12-24 03:53:57 UTC
                 RTC time: Fri 2021-12-24 03:53:57
                Time zone: US/Eastern (EST, -0500)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

2.タイムゾーンをAsia/Tokyoに変更します

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# sudo timedatectl set-timezone Asia/Tokyo
# sudo timedatectl set-timezone Asia/Tokyo
# sudo timedatectl set-timezone Asia/Tokyo

3.変更後タイムゾーンを確認します

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# timedatectl
Local time: Fri 2021-12-24 12:56:04 JST
Universal time: Fri 2021-12-24 03:56:04 UTC
RTC time: Fri 2021-12-24 03:56:04
Time zone: Asia/Tokyo (JST, +0900)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
# timedatectl Local time: Fri 2021-12-24 12:56:04 JST Universal time: Fri 2021-12-24 03:56:04 UTC RTC time: Fri 2021-12-24 03:56:04 Time zone: Asia/Tokyo (JST, +0900) System clock synchronized: yes NTP service: active RTC in local TZ: no
# timedatectl
               Local time: Fri 2021-12-24 12:56:04 JST
           Universal time: Fri 2021-12-24 03:56:04 UTC
                 RTC time: Fri 2021-12-24 03:56:04
                Time zone: Asia/Tokyo (JST, +0900)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

4.利用できるタイムゾーンを確認
# timedatectl list-timezones

Debian 11

Posted by arkgame