Equinoxes and solstices

March 20, 2010 | 8:24 p.m. CDT

Equinoxes and solstices are determined by the sun's position in the sky.

This content requires JavaScript and Adobe Flash version 9 or later. Please ensure that JavaScript is enabled in your browser. The latest version of Flash can be downloaded from Adobe's website.

RELATED STORIES: Wintery mix expected to continue through Sunday