Click to see the day-night sine curve
Its the first day of Winter, the shortest day of the year. What a dull world it would be if there were no seasons.
I see this phenomenon as compelling evidence for the existence of a Creator. If you live in the USA, you are free to believe and say otherwise. Not so for most other folks on Earth. I'm not just referring to dogma-ridden theocracies and jack-boot dictatorships; even our "civilized" Canadian neighbors have no real freedom of thought or expression.