Meaning a person of high rank or distinction is attested from c.1500 in English; as a longer way to say person, the word was in use from 1550s (but often slyly ironical, with suggestion that the subject is overly self-important).
If your system is standalone, the default sync interval for system time is 604800 seconds (7 days). If you are in a domain environment, the default sync interval is 3600 seconds (0.04166667 days). If you are using XP Pro, you can adjust your settings using Group Policy editor (GPedit - Administrative Templates\System\Windows Time Service\Time Providers) or you can adjust things through a registry edit (works for any version of XP).
If it is set to Nt5DS then the computer is synchronizing time with the Active Directory time hierarchy. If it's configured with the value NTP then the comptuer is synchronizing time with the NTP server specified in the NtpServer REG_SZ value in the same registry key.'m assuming that you're looking for the server used by the W32Time service to perform time sync on domain-member computers.