Sundials are devices for telling time by measuring the position of the shadow of the sun. This category lists websites concerned with the theory of sundials.
Photographs with descriptions, showing a number of patterns painted on walls.
Descriptions of these vertical post sundials, why they work, detailed account of the maths necessary to plot the hour lines.
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.
Animations of some of the historical stages of the development of sundials.
Describes a number of sundials of different types, mostly from northern Europe.
Describes the jantar mantar (or yantra mandir) of Jaipur, and the massive sundials and other astronomical devices built there.
A range of sundials for measuring the hours and reading the season as well as astronomical instruments for complex calculations.
Describes sundials that can tell sunrise and sunset times, the angle of solar declination and the time at night. (Flash based site).
Guides to the use of the sun for telling time and marking the seasons.
Shareware and freeware software for design and planning for the most popular.
Account includes a description of the commoner types, an explanation of the relevant science and maths, and a history of sundial use.
Software to design a vertical (wall mounting) sundial for walls that face up to 60 degrees away from due-south.
Describes sundial parts and names, the basic types, and has make your own pages for three simple types of dial.
Describes the history and development in Europe from the time of the Greeks. Includes literary and poetic references.
Descriptions with photographs of Scottish sundials, ancient, old and new as well as sundials from some other places. Includes registers of sundials seen, which are fully searchable by any criterion.
A major information source, with projects, detailed technical information, links to related sites, listings of societies.
An essay on the use of sundials in gardens.
Describes design and construction of a six meter wide analemmatic sundial in Canada.
Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types.
Includes general information, links, a register of dials in North America, and a message board.
Offers advice, instructions, and resources for creating a wide variety of sundials.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us