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Photographer's Note

Equation of Time gives the difference between time shown by a sundial and time shown by a clock. This statement is only correct either if the sundial is on the time meridian (and most are not) or if the hour lines on the dial plate have already been corrected for longitude, which is rare.
Time of shoot 15:30.
More info at http://sundials.co/tbsun.htm

pajaran, jemaflor, ikeharel, jadir, COSTANTINO has marked this note useful

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Additional Photos by Rui de Camposinhos (ruisc_pt) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1819 W: 126 N: 2822] (11594)
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