read it here Happy Autumnal equinox all, today the sun's path , the ecliptic, crosses the equator, so most places will have circa 50/50 time of day and night, and the progression of nights getting longer in the nrthern hemisphere while days get longer in the southern hemisphere will progress to the december solstice when the longest night in the northern hemisphere and longest day in the southern hemisphere will occur and start legnth of days getting longer in the northern hemisphere and n