Basically, you put in your address, and it spits out how long
  the day is (today for me it's 13 hours and 42 minutes line) and
  has lines showing what direction the sun will be rising from,
  and what direction the sun will be setting from. Perfect!

  This is very cool. I've looked for something like this for a
  long time. I always thought it was silly to try to use old
  fashioned coordinates when I live in a HOUSE with an address and
  there's plenty of geo-addressing already done.

  http://www.solartopo.com/daylength.htm

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