Submitted by Slokkkk t3_11dm4k6 in explainlikeimfive
yogert909 t1_jab8ny7 wrote
Reply to comment by Successful_Box_1007 in Eli5: How did people know how long a year was in olden times? by Slokkkk
They didn’t necessarily care about the rotation of the earth. They cared about how long until they should plant their crops again.
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