Uploaded June 2018 | Updated September 2026, 36 minutes ago

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This is a re-working of my June Solstice video from a year ago. On the June Solstice (June 21st in 2018), you can measure the angle of elevation of the sun at solar noon. You can then compare your real-world measurement with the predicted value based on either the globe or the flat Earth model.

Please consider supporting my family on Patreon: patreon.com/FlatEarthMath

June Solstice Angle of Elevation calculator (requires a Google account): docs.google.com/spreadsheets/d/1vbbjXD7w9CVzvPr-iiBaLzKlWH-GlUePXwqnygH6Ixg/copy?usp=sharing

Hufford Video Clinometer: youtube.com/watch?v=fKbs9HCeKOM (4m30s)