user@instance-1:~$ timedatectl list-timezones # Get list
user@instance-1:~$ sudo timedatectl set-timezone Asia/Taipei
user@instance-1:~$ timedatectl
               Local time: Sun 2020-06-07 01:41:25 CST
           Universal time: Sat 2020-06-06 17:41:25 UTC
                 RTC time: Sat 2020-06-06 17:41:26    
                Time zone: Asia/Taipei (CST, +0800)   
System clock synchronized: yes                        
              NTP service: active                     
          RTC in local TZ: no                         
user@instance-1:~$