timedatectl status
timedatectl
timedatectl | grep Time
timedatectl list-timezones
timedatectl list-timezones | egrep -o "Asia/B.*"
timedatectl list-timezones | egrep -o "Europe/L.*"
timedatectl list-timezones | egrep -o "America/N.*"
timedatectl set-timezone "Asia/Kolkata"
timedatectl set-timezone UTC
timedatectl set-time 15:58:30
timedatectl set-time 20151120
timedatectl set-time '2015-11-20 16:14:50'
timedatectl | grep local
timedatectl set-local-rtc 1
timedatectl set-local-rtc 0
timedatectl set-ntp true
timedatectl set-ntp false
timedatectl set-ntp true
timedatectl set-timezone Europe/Berlin