(base) root@ascend:~# date
Mon Jun 23 08:40:56 AM UTC 2025
(base) root@ascend:~# cat /etc/issue
Ubuntu 22.04 LTS \n \l
(base) root@ascend:~# timedatectl
Local time: Mon 2025-06-23 08:41:49 UTC
Universal time: Mon 2025-06-23 08:41:49 UTC
RTC time: Mon 2025-06-23 08:41:49
Time zone: Etc/UTC (UTC, +0000)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
(base) root@ascend:~# timedatectl set-timezone Asia/Shanghai
(base) root@ascend:~# date
Mon Jun 23 04:42:04 PM CST 2025
(base) root@ascend:~# timedatectl
Local time: Mon 2025-06-23 16:42:09 CST
Universal time: Mon 2025-06-23 08:42:09 UTC
RTC time: Mon 2025-06-23 08:42:09
Time zone: Asia/Shanghai (CST, +0800)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
(base) root@ascend:~# date
Mon Jun 23 04:42:14 PM CST 2025
(base) root@ascend:~#
(base) root@ascend:~#
(base) root@ascend:~#
(base) root@ascend:~# date
Mon Jun 23 04:42:20 PM CST 2025
(base) root@ascend:~# date
Mon Jun 23 04:42:46 PM CST 2025
(base) root@ascend:~#
(base) root@ascend:~#
(base) root@ascend:~#
(base) root@ascend:~# cat /etc/default/locale
LANG=en_US.UTF-8
(base) root@ascend:~# echo LC_TIME=en_DK.UTF-8 >> /etc/default/locale
(base) root@ascend:~# cat /etc/default/locale
LANG=en_US.UTF-8
LC_TIME=en_DK.UTF-8
(base) root@ascend:~# date
Mon Jun 23 04:45:45 PM CST 2025
(base) root@ascend:~# su - root
(base) root@ascend:~# date
Mon Jun 23 16:45:54 CST 2025
(base) root@ascend:~#