Tagged: observatories


Everything you need to know: September equinox

    The 2013 September equinox occurs on September 22 at 3:44 p.m. CDT (20:44 UTC). This equinox brings autumn to the Northern Hemisphere he 2013 September equinox comes on September 22, at 3:44 p.m. CDT (20:44 UTC). In the Northern Hemisphere, the sun is rising later now, and nightfall comes sooner. This is our autumn equinox, when the days are getting shorter in the Northern Hemisphere. At this equinox, day and night are approximately equal in length. For us in the Northern Hemisphere, Read more [...]