systemd-timedated.service, systemd-timedated - Time and date bus mechanism
systemd-timedated is a system service that may be used as a mechanism to change
the system clock and timezone, as well as to enable/disable NTP time
synchronization. systemd-timedated is automatically activated on request and
terminates itself when it is unused.
The tool timedatectl
(1) is a command line client to this service.
See the developer documentation
 for information about the APIs
- developer documentation