I’ve always wondered/grumbled about this; now I know.*
I’m declaring a new holiday called Nerd Solstice — or Nerdstice: when the sun finally does start rising earlier. The next Nerdstice is January 12, 2015. I’m still working on proper celebratory rites — though I’m certain it will involve coffee — and of course on insisting that everyone else wish me a Happy Nerdstice.
* Read the article. I don’t really “know” it in the sense that I can re-explain it. I “know” it in the sense that I read an article about it that more or less made sense while I was reading it.