Solar Calculator[ver1.0] by Asheshwor

This Solar Calculator script computes various solar angles:
altitude, azimuth, angle of incidence, and shadow angles.
It uses the date, time, and wall direction provided by the user.

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Other References:

• Azimuth Angle   from a Course on the Properties of Sunlight
• Links to Solar Position, Sun Charts, Solar Climatic, Collector Orientation...
• Sunrise, sunset, dawn and dusk times around the World!
• Azimuth Angles of Building Surfaces
• Angle of incidence & other angles
• Solar Geometry   47-page PDF file
• Sun Chart Examples   from University of Strathclyde Glasgow - Energy Systems Research Unit
• Search science.gov for " explicit sun altitude "
• It is possible to plot design graphs for any orientation expressed in terms of the Verticle Sun Angle (VSA = y-axis) plotted against the Horizontal Sun Angle (HSA = x-axis)