The systemd Project http://www.freedesktop.org/wiki/Software/systemd Set system time Authentication is required to set the system time. auth_admin_keep auth_admin_keep auth_admin_keep Set system timezone Authentication is required to set the system timezone. auth_admin_keep auth_admin_keep auth_admin_keep Set RTC to local timezone or UTC Authentication is required to control whether the RTC stores the local or UTC time. auth_admin_keep auth_admin_keep auth_admin_keep