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A comment on I tried to adjust the time on my alarm clock. Parent comment

Re:I tried to adjust the time on my alarm clock by Bud on Monday November 04, 2019 @04:13PM (#21446565)
WiFi does not actually give out a reliable time signal, at all.

You're thinking of GPS.

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Re:I tried to adjust the time on my alarm clock by jrockway on Monday November 04, 2019 @05:39PM (#21447404)
WiFi lets you get to the internet, from which time can be transferred accurately. You probably have a geoIP record too, which lets the clock determine the time zone.
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