Sundials - World's Oldest Clocks

North American Sundial Society

The North American Sundial Society is a not for profit 501-3(c) organization dedicated to sundial education (as part of STEM), the art of dialing, and the history of gnomonics.  We respect your privacy and provide transparency of the use of your personal data in compliance with the General Data Protection Regulation (GDPR) of the European Union that goes into effect 25 May, 2018.

Go to to read about our privacy policy and other policies that form NASS governance.

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