Sunset between the golden gate.

Since I'm either outside, or would like to be outside... I have always enjoyed sunsets/sunrises.  

Anyway, after learning a little about the movements of the sun...the significance of Tropic of Cancer, and the Tropic of Capricorn...(maybe more on this later...but briefly between the two latitudes, your shadow will be directly beneath you at one point in the year...further north or south, this will never happen.)...and many other things at a talk at Costanoa with Kim (www.costanoa.com)

With the curiosity, and the tools (mainly google) to solve the puzzle, I finally figured out when the sun would set exactly in the middle of the golden gate bridge.

This was possible by using National Geo Topo Program, and with the help of the U of O Solar Radiation Monitoring Lab...http://solardat.uoregon.edu/SunChartProgram.html

Also, check this out too...
http://www.esrl.noaa.gov/gmd/grad/solcalc/
http://www.cambridgeincolour.com/tutorials/moon-night-calculator.htm

Turns out someone has already done this sort of calculations for me...
Golden Gate Sunsets is about as easy as it gets.
http://www.acme.com/jef/ggs/

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You can calculate the same thing for the moon as well...
http://www.timeanddate.com/worldclock/astronomy.html?n=224&month=11&year=2011&obj=moon&afl=-1&day=1

And if you wanna see if it's going to be good... here's a good place to look:
http://sv.berkeley.edu/view/