Subscribe to MinutePhysics!
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.

Here’s some more info about:

Solar Time: https://en.wikipedia.org/wiki/Solar_time

The Equation of Time: https://en.wikipedia.org/wiki/Equation_of_time

Milankovitch cycles: https://en.wikipedia.org/wiki/Milankovitch_cycles

Perihelion: https://en.wikipedia.org/wiki/....Perihelion_and_aphel

Apsis: https://en.wikipedia.org/wiki/Apsis

Link to Patreon supporters here: www.minutephysics.com/supporters.html

Music by Nathaniel Schroeder, http://www.soundcloud.com/drschroeder

MinutePhysics is on Google+ - http://bit.ly/qzEwc6
And facebook - http://facebook.com/minutephysics
And twitter - @minutephysics

Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder

Thanks to Nima Doroud for contributions. Created by Henry Reich