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The variation in the length of daylight

Published online by Cambridge University Press:  01 August 2016

J. F. Ling
J. F. Ling*
Affiliation:
3 Radnor Avenue, Harrow, Middlesex HA1 1SB
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Extract

It is a well-known fact that the number of hours of daylight varies with the time of year, except at points on the equator. It is sometimes thought that at latitudes between the Arctic and Antarctic circles the variation takes the form of a sine curve. However there is no theoretical basis for this idea, although it is true that a sine curve may give quite a good approximation.

Type
Research Article
Information
The Mathematical Gazette , Volume 73 , Issue 466 , December 1989 , pp. 302 - 305
Copyright
Copyright © The Mathematical Association 1989

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