Change the system time This user right determines which users and groups can change the time and date on the internal clock ...

Change the system time  This user right determines which users and groups can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred.  This user right is defined in the Default Domain Controller Group Policy object (GPO) and in the local security policy of workstations and servers.  Default on workstations and servers: Administrators Local Service  Default on domain controllers: Administrators Server Operators Local Service