Intereesting solar calculator

[TheBackRoads]

Accurate sunrise/sunset angles for my place.. gives me a good reminder when the house will shadow less on sunrise,sunset. Thnx.

[SolaRevolution]

Be sure to check out the satellite view. In some cases you can actually see whether a particular tree or building will shade an array at a given time of year.

If you are looking for azmuth angles for different times of day throughout the year check this out:
http://aa.usno.navy.mil/data/docs/AltAz.php
It uses sampled data from various sites so you may not be able to get your actual site but you can find a nearby site with a similar latitude.

The two tools together can provide a lot of info witout even setting foot on some sites.

Aren't computers great? With the combination of these tools, Wiki and Google Earth you could probably figgure out at what time on the spring equanox will the sun sit on the point of the Washington monument as seen from the Lincoln memorial.

Get your Geek on!

-Alex