May 21 2012 eclipse
Lat.: 37.7186° N Long.: 122.5195° W Partial Solar Eclipse
Magnitude: 0.895
Event Date Time (UT) Alt Azi
Start of partial eclipse (C1) : 2012/05/21 00:15:52.5 033.8° 270.5°
Maximum eclipse : 2012/05/21 01:32:42.6 018.7° 281.5°
End of partial eclipse (C4) : 2012/05/21 02:39:59.6 006° 291°
At maximum about 90% of the sun will be covered and the lighting will be really weird.
Converting to San Francisco time:
start 5:15:52 PM
max 6:32:42 PM (sunset is at 7:12 PM)
end 7:39:59 PM
http://eclipse.gsfc.nasa.gov/SEgoogle/SEgoogle2001/SE2012May20Agoogle.html