Uploaded December 2016 | Updated September 2026, 1 hour ago

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If you carefully measure the angle of elevation of the sun at the moment of Solar Noon on the date of the December Solstice (Dec 21st most years), you might gather one piece of data to help you figure out whether the Earth is Flat or a Globe.

Angle of Elevation Calculator (requires a Google account):
docs.google.com/spreadsheets/d/18MzRhTn3LisCE-hxvzTZXJjWAHjVDorUfgh4XXKANt0/copy?usp=sharing

Share your results!
flatearthmath.boards.net/board/16/december-solstice-observations