http://en.wikipedia.org/wiki/Equinox
http://www.mudcat.org/thread.cfm?threadid=114584#2446824
http://www.mudcat.org/thread.cfm?threadid=113984#2430033
http://news.nationalgeographic.com/news/2011/09/110923-autumnal-equinox-northern-hemisphere-first-day-fall-2011-science/
http://earthsky.org/astronomy-essentials/everything-you-need-to-know-about-the-autumnal-equinox-of-2011

it has been fall now since 5:04 a.m. Mudcat time