Autumn Equinox 2018: What is the Autumn Equinox? When is the first day of autumn? THE Autumn Equinox is fast approaching this week and the astrological end of summer is almost upon us – but what is the Autumn Equinox and what is the first day of autumn? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:LIFE ON MOON: Water discovered on Moon – and it could be enough to sustain a colonyIt Was Supposed to Be an Unbiased Study of Drinking. They Wanted to Call It ‘Cheers.’The New Health Care: Why the Medical Research Grant System Could Be Costing Us Great IdeasAddo Dispatch: Where Female Elephants Without Tusks Roam — and Poachers Stay AwayAre Genetic Testing Sites the New Social Networks?A Family in Transition