Questions tagged [time]

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Did the French ever use the decimal time in science?

Have you ever seen a scientific paper/document that uses the decimal time introduced during the French Revolution? I'm not looking for any paper that uses decimal time like in astronomy, but instead ...
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Why are there 24 hours in a day?

The question could be answered in a number of ways: Historically (e.g. Egyptians did for <...> reasons) Mathematically (It is a highly composite number) I'm looking for a mathematical answer. I'...
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How were sundials first divided up into hour-long segments?

Even with present-day knowledge of celestial mechanics, if you asked me to go outside and set up a sundial without the aid of any other timekeeping devices, I would have a very hard time. The time ...