SYSTEMD-TIMEDATED.SERVICE(8)

  .SH "NAME" systemd-timedated.service, systemd-timedated - Time and date bus mechanism
  .SH "SYNOPSIS"
    .PP systemd-timedated.service
    .PP /usr/lib/systemd/systemd-timedated

  .SH "DESCRIPTION"

    .PP 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.
    .PP The tool timedatectl(1) is a command line client to this service.
    .PP See the developer documentation[1] for information about the APIs systemd-timedated provides.

  .SH "ENVIRONMENT"

      .PP $SYSTEMD_TIMEDATED_NTP_SERVICES

            Colon-separated list of unit names of NTP client services. If not set, then systemd-timesyncd.service(8) is used. See the entries of NTP related commands of timedatectl(1) for details about this.

            Example:

        SYSTEMD_TIMEDATED_NTP_SERVICES=ntpd.service:chronyd.service:systemd-timesyncd.service

          .RE

      .SH "SEE ALSO"

        .PP systemd(1), timedatectl(1), localtime(5), hwclock(8), systemd-timesyncd(8)

NOTES

1.  developer documentation
    https://www.freedesktop.org/wiki/Software/systemd/timedated