History: Original idea by Ben Franklin, Founding Father of the USA, Hellfire Club member and Illuminati, while in France.  Franklin simply thought it a great way to save on burning candles.  Later made a standard during World War II.  Today, because the US does it, it's a world-wide adjustment.  There are some backwards places, like Japan and Arizona, that don't but the less said there the better.

And yes, we're late posting today because we overslept.