[time-nuts] Smart Phone time display accuracy...?

Severin Haas severin.haas at gmx.de
Thu Mar 16 17:32:21 EDT 2017

The German PTB has a nice widget (https://uhr.ptb.de) to see the actual
time + deviation ("Abweichung"). Can not test this from another location
than UTC+1h, but probably it works at your location.
Does anybody of you know how they are measuring the time deviation? Some
JavaScript Voodoo?

Am 16.03.17 um 20:10 schrieb Nick Sayer via time-nuts:
> The time on mine is quite good, but I believe that’s because I have an Apple watch. If you pair an iOS device to an Apple Watch, I believe it suddenly “tries much harder” to keep its own clock in sync so that it can serve good time sync to the watch.
> Apple has made grandiose claims about the accuracy of the watch, but human granularity for time is around 100 ms-ish anyway, so the bar is awfully high.
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