Fall, autumn, harvest season -- whatever you call it -- starts Friday, September 22, at 4:02 pm ET in the Northern Hemisphere. 'Fall leaf' colors actually exist all year longNow, don't get too excited. Oh, fall leaf tourism brings in BIG MONEYIt's called "leaf peeping." Some time after, poets coined the phrase "the fall of leaves" -- shortened to "fall" in the 1600s. By the mid-1800s, the word "fall" had firmly rooted itself in America.

Source: CNN September 22, 2017 06:11 UTC