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this post was submitted on 10 Aug 2024
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
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I think more like tens of minutes a year.
This is shown by a set clock in the car not connected to satellite. If you set the clock in may, to the time on your cellphone, then drive until September, you will notice the clock in the car is behind.
The level of inaccuracy in a regular clock resulting in drift is orders of magnitude greater than any amount of time dilation you would experience.
This is the reason we use extremely high precision clocks (like atomic clocks) and then synchronize everything else with them. Even your phone's clock would drift noticeably over a period of a few months if it never synced with some network server.
The NTP protocol exists precisely for this. There are entire companies that specialize in providing and maintaining synchronized wall clocks for facilities like hospitals, schools, and other organizations.