An extensive collection of sundial knowledge built up over more than 30 years.

There are over 1,500 articles devoted to sundials, comprising more than 3,800 pages. They have been written by over 300 different experts and enthusiasts from around the world for our quarterly journal, the Bulletin, since 1989.

Covering every aspect of the subject—from history, design, and construction to scientific research, mathematics, art, and cultural significance.

All freely available in PDF format, searchable and categorised.

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