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Set the time in Debian

To set the time:

user@debian:~$ timedatectl set-time 13:11:20

To check the current time, timezone, etc.:

user@debian:~$ timedatectl 
               Local time: Mon 2022-09-05 13:11:24 IST
           Universal time: Mon 2022-09-05 12:11:24 UTC
                 RTC time: Mon 2022-09-05 12:11:25
                Time zone: Europe/Dublin (IST, +0100)
System clock synchronized: no
              NTP service: n/a
          RTC in local TZ: no
user@debian:~$