The date and time of the vernal equinox: A graphical representation of theGregorian calendarRonald Lane Reese and George Y. Chang Citation: American Journal of Physics 55, 848 (1987); doi: 10.1119/1.15002 View online: http://dx.doi.org/10.1119/1.15002 View Table of Contents: http://scitation.aip.org/content/aapt/journal/ajp/55/9?ver=pdfcov Published by the American Association of Physics Teachers Articles you may be interested in EQUINOX Phys. Teach. 47, 198 (2009); 10.1119/1.3098200 Graphical Representation for Unit Systems Am. J. Phys. 29, 487 (1961); 10.1119/1.1937818 Graphical Representation of the Reverberation Equation J. Acoust. Soc. Am. 1, 29 (1929); 10.1121/1.1901867 GRAPHICAL REPRESENTATION OF THE REVERBERATION EQUATION J. Acoust. Soc. Am. 1, 47 (1929); 10.1121/1.1901469 Should we change from the Gregorian calendar? Phys. Today

This article is copyrighted as indicated in the article. Reuse of AAPT content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:

129.105.215.146 On: Mon, 22 Dec 2014 10:03:48

This article is copyrighted as indicated in the article. Reuse of AAPT content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:

129.105.215.146 On: Mon, 22 Dec 2014 10:03:48

This article is copyrighted as indicated in the article. Reuse of AAPT content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:

129.105.215.146 On: Mon, 22 Dec 2014 10:03:48