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【ScienceABC】Why Are There 24 Hours In A Day?

英文杂志  · 公众号  · 英语  · 2017-08-20 06:00

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  • 1 hour contains 60 minutes, which also have 60 seconds each.

  • Each second is then divided into 1000 milliseconds.


  • Now, that seems like a rather strange way to divide a day. No wonder kids have trouble learning how to tell time! However, as always, like every other thing in the world, there is a reason behind this too.


    The Impact of Civilization


    In today’s world, we widely use the decimal number system, a system that is believed to have originated because it made it easy for us to count things on our fingers. Back then, when humans were still exploring the wonders of nature and finding answers to their countless questions, many other numerical systems were commonly used. The Egyptians and Babylonians, who first divided the day into smaller parts, used duodecimal (base 12) and sexagesimal (base 60) numeral systems.


    That obviously begs the question – why base 12 and base 60? The reason is very simple, yet quite surprising!







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