The '''azimuth angle''' is the [[angle]] between true [[south]] and the point on the horizon directly below the [[sun]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref> | The '''azimuth angle''' is the [[angle]] between true [[south]] and the point on the horizon directly below the [[sun]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref> |