Windows XP 661 Published by

Thanks Atreyu for this one:

An Internet Time utility built into Windows XP Home and Professional editions that is supposed to ensure correct system time instead suffers from intermittent bouts of tardiness, PC World has learned. Microsoft intends the utility to synchronize your PC's internal clock via the Internet with the atomic clock maintained by the National Institute of Standards and Technology. The atomic clock is considered the Holy Grail of timekeeping. It is referenced daily by millions, from the military to stock market traders and researchers, by means other than Microsoft's Internet Time utility.

But repeated tests of the Windows XP Internet Time utility produced a variety of unharmonious results. Compared with the NIST's atomic clock, Microsoft was repeatedly off by as much as nine minutes.

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