timedatectl - Control the system time and date

shell> timedatectl
shell> timedatectl list-timezones
shell> timedatectl set-timezone Asia/Taipei
shell> timedatectl set-ntp true

Changing the Time Zone

shell> ls /usr/share/zoneinfo
shell> sudo ln -sf /usr/share/zoneinfo/America/Los_Angeles /etc/localtime

參考網站：

• http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/set-time.html