Another chapter in Today's lesson series, in this opportunity we will be talking about some curious things in relation to the origins of the way we measure time.
Have you ever thought about why the day have 24 hours instead of 10 or 100, and why one hour has 60 minutes (instead of 100 or another amount), and one minute has 60 seconds?
Well, everything has to do with the Sumerians, a civilization from around 6,000 years ago ...
We will start with the most basic, and leave a surprise for the end: The reason for using 60 is because the numerical system of the Sumerians (which was later passed to the Babylonians) was a "Base 60" system (unlike the Base 10 system we have today).
These are the digits they used:
The accepted reason for the use of a sexagesimal system is that it was based in astronomy and the desire of the Babylonians to develop accurate calendars to chart the turning of the seasons and predict the best times for planting, extremely importantly in a culture with a strong agricultural base | Source
What about the 24 hours? That does not seem to make sense, and I would not have it except for a curious observation.
I need before you continue to follow the flow and put the tip of your thumb together with the tip of the index finger, essentially making a "zero" with your hand. What I am going to teach you today is how the Summaries managed to make their calculations.
Now, lower the tip of your thumb to the second part of the index finger and count "two." Now go down to the third part of the index finger and count "three". Repeat now with the other fingers (following with the big finger and ending with the little finger) and you will realize that you can count up to 12 using only one hand, and obviously you can count up to 24 with both hands.
Amazing and very curious, isn’t it?
Additionally, notice that the reason why we now have a decimal system (10 digits) is precisely for a similar reason: Having 10 fingers make it easy to count for us, and so it is natural to use a system based on ten.
Finally, notice that the number of symbols we use to count is something totally arbitrary. It is quite possible that another advanced civilization somewhere in Space with only 6 fingers for example, use a system with Base 6, and the same can be applied to another civilization with 8, 16, 20 or any number of limbs that make it easier to count mentally.
What do you think of today’s lesson? Were you able to learn something new?
Feel free to share your opinions and participate in the discussion
If you enjoy the post, make sure to read the next chapter in where we will be talking about the origins of a year, and what does it means?
References
explorable-babylonian-mathematics
mathematicsmagazine-thesumerianmathematicalsystem
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Thanks for the support!
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wow i never knew any of that. fascinating and thank you, will be checking out more of your posts.
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Thanks pal!
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Very interesting, we owe much of our current inventions to the creativity of the Sumerians. Math, farming, and writing!
Thanks for sharing
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Exactly right! They were pretty advanced for their time.
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The truth that I had never asked these questions, but now that I read it seems incredible to me as everything that started, thank goodness that is 10 digits what we like, imagine memorizing 60?
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It would probably be a little more difficult. But I suppose one could get used to it.
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This is the stuff I adore to learn about! Thank you for the awesome post! The "12 phalanges" gave me an "Aha!" moment! Can't wait to read more of your posts!
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I really appreciate your kind words man!
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MIND BLOWN! I love learning shit like this.. the finger counting thing seriously blew my mind! Those damn Samaritans were some smart people.. thanks for teaching me something new.
Knowledge is power
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Happy to provide some good knowledge for you pal!
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Damn you Sumerians!!!!
This is why I NEVER have time for ANYTHING!!!
Couldn't they have not invented more hours? :p
Cheers!
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Do not worry, in the future we will figure out ways to "get" more time, using things like virtual realities with a slower timer.
Happy to see you here man!
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I'd really like that... and that is definitely a "deep" thought... makes me wonder no doubt.
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Very interesting, there are many numerical systems that we have used throughout history, imagine using the Babylonian or even Roman numerals in modern times, I guess we would get used to it, but I guess it would give us a lot of difficulty when it comes to making some calculations.
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I think the same, children would have a harder time in school learning mathematics if we used the old systems.
Luckily we don't! And besides, eventually we will probably make this calculations instantly using synthetic ways.
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Hah very clever! The finger counting kind of reminds me of the "hands" measurement which is actually still used in measuring the height of horses. You can measure with whatever you've got handy, really - though it's only a matter of time before someone starts thinking of standardization.
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I did not know about the horse measurement style! Damn!
It just shows we can all learn from each others in this community!
Cheers!
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Very interesting to know the history behind this. I'm definitely going to share it with my children. Isn't it odd that they did not have a zero invented? It seems like that would be a very basic start for any system.
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That is easy to say after it is already invented :).
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Ha, true enough!
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Very interesting stuff!
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Thanks!
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These little things that we ignore resides a ton pf primitive knowledge within them, Thanks you for translating that to us...
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I am glad you enjoy it!
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