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Wednesday, September 22, 2010

Happy Fall or, Time to Check Your Compass

It's officially fall! I just read a great blog post by John Vigor about checking your compass today - on the autumnal equinox.

Read this very interesting article by National Geographic about the autumnal equinox.

Check out this website to calculate solar position for any time and place on earth:
http://www.esrl.noaa.gov/gmd/grad/solcalc/

Here it is for my location today. Note that the sun's azimuth at 19:08 (our sunset) is 270° - due West!


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