Abstract
This article deals with the timekeepers of the past, the sundials. Apart from discussing the structure of a few common sundials, we point out the reasons for the variation between sundial time and the time shown by mechanical timekeepers.
Keywords
Sundial celestial sphere equation of time time zones daylight saving timePreview
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Suggested Reading
- [1]Denis Savoie, Sundials: Design, Construction and Use, Springer in association with Praxis Publishing, Chichester, UK. 2009.Google Scholar
- [2]Mark R Chartrand III, Amateur Astronomy — Pocket Skyguide, Newnes Books, Middlesex, England, 1984.Google Scholar
- [3]
- [4]Nick Strobel, Astronomywithout a Telescope, http://www.astronomynotes.com/
Copyright information
© Indian Academy of Sciences 2011