| Analemmatic Sundials: Descriptions of these vertical post sundials, why they work, detailed account of the maths necessary to plot the hour lines. |
| Cadrans Solaire: Describes different types of sundials, has other technical and general information. Offers free Shadows software to compute sundials of a number of different types for anywhere in the world. |
| Gardens Guide: An essay on the use of sundials in gardens. |
| Phil's Sundial Photo Gallery: Includes British and international sundials with description and exact location; sun compasses. |
| Solar Time: Heiner Thiessen designs Sundials that can tell the time of Ssunrise and Sunset and tell the angle of Solar declination and even the time at night. This site shows how they work. |
| SUNDI - Sundial Design Software: Shareware / freeware software for design and planning of the most popular dials. |
| Sundial Design Program: Software to design a vertical (wall mounting) sundial for walls that face up to 60 degrees away from due-south. |
| Sundial Information: Describes sundial parts and names, the basic types, and has make your own pages for three simple types of dial. |
| Sundials: Describes the history of sundials, and their development in Europe from the time of the Greeks. Includes literary and poetic references. |
| Sundials in the Czech Republic and Slovakia: On-line catalogue, with facilities for search, adding records, map, statistics, articles and references. |
| Sundials on the Internet: A major information source, with projects, detailed technical information, links to related sites, listings of societies. |
| The Analemmatic Sundial: Describes design and construction of a six meter wide analemmatic sundial in Canada. |
| The British Sundial Society: Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types. |
| The North American Sundial Society: Includes general information, links, a register of dials in North America, and a message board. |