Since this is I’m gonna explain my question the same way.
Imagine there is a time-hating wizard who magically removes all time-keeping instruments like atomic clocks, phones and watches, so there is no way of knowing the time right now. If then we were asked to ‘bring back’ the old time that we used (e.g. so that we start again measuring 12:00 in London exactly when it was 12:00 in London before the wizard) could this be done? Is there something physical constant (like kg or meter) that determines what time of day it is? Or, did someone just say “we start measuring time from now, and I say that it is exactly 14:32…”?
Also, if there is this constant that allows us to know exactly when a certain time is, doesn’t that mean we don’t need atomic clocks and can just compare ourselves to this constant? Idk what this would be but perhaps when the sun is absolutely highest in the sky somewhere?
In: 40
We would probably come up with a lot of the same stuff that the ancient Babylonians did, just with a higher degree of specificity.
~360 days in a year because the position of the sun changes ~1 degree in the sky every day, months being ~28 days long (probably 4 weeks of 7 days and a catch-up period at the end for ease of accounting going forward) we would probably define the hour/minute/second out of a base 10 system as opposed to a base 60 system, so it would probably be 100 seconds to a minute 100 seconds to an hour (like it was 10 seconds to a minute 10 minutes to an hour for the Babylonians)
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