https://anqou.net/poc/2018/04/17/post-1521/ 上のページの説明がわかりやすかったです!ありがとうございましたっ ~$ sudo timedatectl set-timezone Asia/Tokyo [sudo] m のパスワード: ~$ timedatectl Local time: 木 2019-04-18 22:07:59 JST Universal time: 木 2019-04-18 13:07:59 UTC RTC time: 木 2019-04-18 13:07:59 Time zone: Asia/Tokyo (JST, +0900) System clock synchronized: yes systemd-timesyncd.service active: yes RTC in local TZ: no ~$ sudo timedatectl set-local-rtc 1 ~$ sudo hwclock 2019-04-18 22:08:50.952707+0900 ~$ timedatectl Local time: 木 2019-04-18 22:09:26 JST Universal time: 木 2019-04-18 13:09:26 UTC RTC time: 木 2019-04-18 22:09:26 Time zone: Asia/Tokyo (JST, +0900) System clock synchronized: yes systemd-timesyncd.service active: yes RTC in local TZ: yes
Warning: The system is configured to read the RTC time in the local time zone. This mode can not be fully supported. It will create various problems with time zone changes and daylight saving time adjustments. The RTC time is never updated, it relies on external facilities to maintain it. If at all possible, use RTC in UTC by calling 'timedatectl set-local-rtc 0'. ~$