Proxmoxで仮想マシンの時刻が再起動のたびにずれる

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root@pve:~# timedatectl status
               Local time: Tue 2023-07-18 23:54:34 JST
           Universal time: Tue 2023-07-18 14:54:34 UTC
                 RTC time: Tue 2023-07-18 14:54:34
                Time zone: Asia/Tokyo (JST, +0900)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

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root@pve:~# timedatectl set-local-rtc true
root@pve:~# timedatectl status
               Local time: Wed 2023-07-19 20:29:21 JST
           Universal time: Wed 2023-07-19 11:29:21 UTC
                 RTC time: Wed 2023-07-19 20:29:21
                Time zone: Asia/Tokyo (JST, +0900)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: yes

Warning: The system is configured to read the RTC time in the local time zone.
         This mode cannot 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'.