ubuntu@ubuntu-xenial:~$ timedatectl Local time: Thu 2017-06-01 02:09:07 UTC Universal time: Thu 2017-06-01 02:09:07 UTC RTC time: Thu 2017-06-01 02:09:07 Time zone: Etc/UTC (UTC, +0000) Network time on: yes NTP synchronized: no RTC in local TZ: no ubuntu@ubuntu-xenial:~$ sudo timedatectl set-timezone Asia/Tokyo ubuntu@ubuntu-xenial:~$ timedatectl Local time: Thu 2017-06-01 11:09:47 JST Universal t