Eli5: How did people know how long a year was in olden times? Submitted by Slokkkk t3_11dm4k6 on February 27, 2023 at 8:36 PM in explainlikeimfive 88 comments 141
amazingmikeyc t1_ja9iod6 wrote on February 27, 2023 at 8:57 PM It's the same every year. The seasons change, the day length changes... They just counted the number of days until the cycle started again. Then they remembered with their Minds. Permalink 5
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