#TheReckoningofTime (Latin: De temporum ratione) is an Anglo-Saxon era treatise written in Medieval Latin by the #Northumbrian monk #Bede in #725CE … an explanation of how the spherical Earth influenced the changing length of daylight, of how the seasonal motion of the Sun and Moon influenced the changing appearance of the new moon at evening twilight…

https://en.m.wikipedia.org/wiki/The_Reckoning_of_Time

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