systemd-timedated.service (8) - Linux Man Pages
systemd-timedated.service: Time and date bus mechanism
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.