8 Dez 19986 Jahr v. Chr. - Ancient Sumerians created the sundial.
Beschreibung:
This used 12 hours per rotation, just like our clocks today. They used 12 hours because it fit nicely into 360 degrees. Also, dividing it down fit evenly into it.
Zugefügt zum Band der Zeit:
clocks
clocks
Datum:
Abbildungen:
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