written by
David Stern
This web page discusses why and how sundials tell time. It provides instructions for teachers and students on how to create a paper sundial, tells how to design sundials for different locations and the limits to sundial accuracy due to time zones, equation of time, etc. This is part of a large web site, "From Stargazers to Starships" that introduces physics concepts through space science and an historical perspective. Spanish, French and Italian translations are available. The material is also to linked lesson plans, and various cultural connections--to the Bible, "Jabberwocky" and the Sundial Bridge in Redding, California. It also has links to other sundial pages.
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![]() <a href="https://www.compadre.org/portal/items/detail.cfm?ID=1541">Stern, David. The Sundial. September 17, 2004.</a>
![]() Stern, D. (2004, September 17). The Sundial. Retrieved May 2, 2025, from http://www.phy6.org/stargaze/Sundial.htm
![]() Stern, David. The Sundial. September 17, 2004. http://www.phy6.org/stargaze/Sundial.htm (accessed 2 May 2025).
![]() Stern, David. The Sundial. 2004. 17 Sep. 2004. 2 May 2025 <http://www.phy6.org/stargaze/Sundial.htm>.
![]() @misc{
Author = "David Stern",
Title = {The Sundial},
Volume = {2025},
Number = {2 May 2025},
Month = {September 17, 2004},
Year = {2004}
}
![]() %A David Stern %T The Sundial %D September 17, 2004 %U http://www.phy6.org/stargaze/Sundial.htm %O text/html ![]() %0 Electronic Source %A Stern, David %D September 17, 2004 %T The Sundial %V 2025 %N 2 May 2025 %8 September 17, 2004 %9 text/html %U http://www.phy6.org/stargaze/Sundial.htm Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
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