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Old 20-09-2019, 07:46 PM
BigJohn BigJohn is offline
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Quote:
Originally Posted by Legrand
For the equinox calculation.

"Systematically observing the sunrise, people discovered that it occurs between two extreme locations at the horizon and eventually noted the midpoint between the two. Later it was realized that this happens on a day when the durations of the day and the night are practically equal and the word "equinox" comes from Latin Aequus, meaning "equal", and Nox, meaning "night". " Wikipedia
But without an accurate time piece, how were they able to tell that some days the daylight was longer or shorter then the previous day?
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