sundial: References & Edit History

Additional Reading

Albert E. Waugh, Sundials: Their Theory and Construction (1973), is the standard reference for the theory and construction of all major types of sundials. Sharon L. Gibbs, Greek and Roman Sundials (1976), covers the history of Greek and Roman sundials. D.A. King, “Mizwala,” in The Encyclopaedia of Islam, new ed., vol. 7, fascicules 117–118 (1991), pp. 210–211, covers the history of Islamic sundials. Steven A. Lloyd, Ivory Diptych Sundials, 1570–1750 (1992), is a beautiful work (physically and intellectually) on early European sundials with an extensive bibliography.

Article Contributors

Primary Contributors

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: American Mathematical Society - The Shadow Knows: How to measure time with a sundial. Oct 12, 2024
Add new Web site: American Mathematical Society - The Shadow Knows: How to measure time with a sundial. Aug 27, 2024
Add new Web site: Academia - Sundials. Dec 12, 2023
Adjusted placement of interactive media. Sep 08, 2023
Add new Web site: Institute of Education Sciences - The mathematics of sundials. Jun 01, 2023
Add new Web site: History of Watch - Sundial Histrory - First Time Keeping Device. Dec 30, 2022
Corrected display issue. Jul 09, 2019
Add new Web site: History of Watch - Sundial Histrory - First Time Keeping Device. Jun 26, 2019
Add new Web site: World History Encyclopedia - Ancient Timekeeping. Dec 08, 2016
Add new Web site: History of Science Museum - Epact - Sundial. Jul 31, 2016
Add new Web site: World History Encyclopedia - Ancient Timekeeping. Jul 31, 2016
Added animation of a sundial. Jun 01, 2016
Add new Web site: Journey in Time - What is a Sundial? Feb 15, 2011
Add new Web site: Buzzle.com - Sundials. Feb 15, 2011
Add new Web site: How Stuff Works - History - How did ancient civilizations use sundials to tell time? Feb 15, 2011
Added image of Islamic sundial. Feb 10, 2011
Article revised. Jun 28, 2002
Article added to new online database. Jul 20, 1998
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