查看当前时间设置

timedatectl  status

显示结果

               Local time: Fri 2023-01-13 01:54:29 UTC
           Universal time: Fri 2023-01-13 01:54:29 UTC
                 RTC time: Fri 2023-01-13 01:54:30
                Time zone: Etc/UTC (UTC, +0000)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

设置时区

timedatectl set-timezone "Asia/Shanghai"

再执行查看当前时间状态结果

               Local time: Fri 2023-01-13 09:58:40 CST
           Universal time: Fri 2023-01-13 01:58:40 UTC
                 RTC time: Fri 2023-01-13 01:58:40
                Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no

如何查看所有的时区呢

timedatectl list-timezones