Ancient Web: mySundial.ca Teaches 39 Ways to Tell Time With

Carl Sabanski's mySundial.ca and Sundial Primer turn gnomonics into a deep practical reference covering dozens of sundial types, design geometry, corrections, templates, charts, and construction tools.

https://switchboardtechservices.com/articles/ancient-web-mysundial-ca-teaches-39-ways-to-tell-time-with-a-shadow/

By Switchboard Tech Services · Originally published 2026-09-18

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