Flat Earth Math | December Solstice (3/3) Path of the Sun: Flat Earth + Globe Earth @FlatEarthMath | Uploaded January 2017 | Updated October 2024, 1 hour ago.
If you can make a simple Shadow-stick sundial and mark shadows every hour, you can get a very compelling piece of information to help you determine the shape of the Earth. Fortunately this observation does not need to be done exactly on the date of the December solstice, within a month before or after can work as well.

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