For anyone curious about this: Finally, if you are one of the exceedingly few people for whom the clock being off by a second actually matters, then I

For anyone curious about this: Finally, if you are one of the exceedingly few people for whom the clock being off by a second actually matters, then I'm pretty sure you also know how to deal with it. One alternative to NTP is PTP.[1] Quoting: IEEE 1588 is designed to fill a niche not well served by either of the two dominant protocols, NTP and GPS. IEEE 1588 is designed for local systems requiring accuracies beyond those attainable using NTP. [1] https://en.wikipedia.org/wiki/Precision_Time_Protocol https://en.wikipedia.org/wiki/Precision_Time_Protocol