A major information source, with projects, detailed technical information, links to related sites, listings of societies.

Includes general information, links, a register of dials in North America, and a message board.

Descriptions of these vertical post sundials, why they work, detailed account of the maths necessary to plot the hour lines.

Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types.

Describes the history of sundials, and their development in Europe from the time of the Greeks. Includes literary and poetic references.

Describes sundial parts and names, the basic types, and has make your own pages for three simple types of dial.

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.

Includes British and international sundials with description and exact location; sun compasses.

Describes design and construction of a six meter wide analemmatic sundial in Canada.

Software to design a vertical (wall mounting) sundial for walls that face up to 60 degrees away from due-south.