December Has the Longest Days of the Year

By about 30 seconds


Wed, Dec 23rd, 2015 11:00 by capnasty NEWS

Minute Physics explains how, due to angle, rotations, and elliptical orbits, December 22nd was actually the longest day of the year.

December has the longest solar days (noon-to-noon) because of the weird way a combination of the axial tilt of the earth and the eccentricity of its elliptical orbit conspire in December. Perihelion + Solstices = Long Days.



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