Links

Sundial Societies

• British Sundial Association

Other Sundial Sites

• Bobs's Watches Sundial Page
• Brooke Clark's Sundial Page
• Fer J. de Vries
• Daniel Roth's comprehensive Sundial Links

Not sure your computer's clock is accurate?

• Dimension 4 Atomic Clock synchronizer

Don't know your longitude and latitude?

• Getty Thesaurus of Geographical Names

Information Sites

• US Naval Observatory
• Eric Weisstein's Treasure Trove of Astronomy - Encyclopaedia

Technology

• DeltaCAD for sundial construction
• Installation Software by - Gentee.com
• DLL Compiled by - PowerBasic
• Text File Regular Expression Search and Replace by - BK Replace Em
• Links on this site checked with - Dead-Links.com
• 100 Keywords - Free Search Engine Submission

By the way, what is an API?

• API

Resources for those who wish to do their own Solar Calculations

• Meeus, Jean; "Astronomical Algorithms". 2nd Ed.    -   Highly recommended.
• Finding the position of the sun - Tutorial

Solar Value calculation online (e.g. Declination, Equation Of Time)

• AstroHobby.com
• SunAngle

Other Solar and Astronomical Values Calculation Programs 

• AstroCom
• Google.com: Science > Astronomy > Software - links page
• JPL planetary and lunar ephemerides
• The Dialist's Companion
• MICA
• VSOP87 Functions - Visual Basic Source

Definitions and Construction of Sundials (technical)

• Analemmatic Sundial