What's Up With The Calendar?


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May 24 2018 33 mins   236

We've all learned it takes 24 hours for the Earth to rotate once on its axis but that isn't the whole story at all. There's much more to it.

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Sources:

Why Are There 24 Hours In A Day?:

http://www.abc.net.au/science/articles/2011/11/15/3364432.htm

“While each country has (in broad terms) historically had distinct measurements for distance, weights etc the method of splitting the day into 24 hours, one hour into 60 mins and one minute into 60 seconds seems to be the only one in use, and indeed to me the only one I know of. "

Keeping Time: Why 60 Minutes?:

https://www.livescience.com/44964-why-60-minutes-in-an-hour.html

“How did we come to divide the hour into 60 minutes and the minute into 60 seconds? These smaller divisions of time have been in practical use for only about 400 years, but they were vital to the advent of modern science."

Why Is A Minute Divided Into 60 Seconds, An Hour Into 60 Minutes, Yet There Are Only 24 Hours In A Day?:

https://www.scientificamerican.com/article/experts-time-division-days-hours-minutes/

“In today's world, the most widely used numeral system is decimal (base 10), a system that probably originated because it made it easy for humans to count using their fingers."

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