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IPFS News Link • Archaeology

Sumerians Invented the System of Time 5,000 Years Ago - And We Still Use It Today!

• arclein

Many ancient civilizations had a rough approximation of the passage of time. Obviously, a day began when the sun rose and night began when the sun set. Somewhat less obvious was the passage of weeks, months, and years; however, these too had been approximated by ancient peoples. A month was the length of time of one complete lunar cycle , whereas a week was the length of time for one phase of the lunar cycle. A year could be estimated based on the changing seasons and relative position of the sun. Once the zenith of the sun was determined, scholars could count the number of sunrises/sunsets that passed until it reached its zenith again. In this manner, the ancient Egyptians , Mayans, and Babylonians, among others, determined that the year had 360 days. Yet it was the Sumerian astronomers and mathematicians who first systematically divided the passage of time. Their work was widely accepted and spread throughout Eurasia.


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