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Bookmark or Share- Sundial - WikipediaA sundial is a horological device that tells the time of day (referred to as civil time in modern usage) when direct sunlight shines by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate (the dial) and a gnomon, which casts a shadow onto the dial.
- History of sundials - WikipediaThe ancient Greeks developed many of the principles and forms of the sundial. Sundials are believed to have been introduced into Greece by Anaximander of Miletus, c. 560 BCE. According to Herodotus, Greek sundials were initially derived from their Babylonian counterparts.
- Sundials on the Internet | HomeThe leading world Internet site on sundials, including sundial makers, books, journals, Sundial Trails all over the world, national societies, sundial projects, and many pictures of sundials.
- Brief History of Sundials and How to Make & Use ThemFor Indiana University outreach shecreated a video "The Garden Sundial - Much More than an Ornament" that presents a brief history of the sundial, how they work, and where to get one or make one. You can watch the video on YouTube at https://www.youtube.com/watch?v=K10nPV69Q1A.
- Sundial S - NASSThe course covers basic principles of how sundials work, calculations involved in designing sundials, types of time (systems of time measurement), and some of the history of sundials. As the course proceeds, there are regular but optional online meetings, using Zoom.
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