Solar Elevation Angle
Sun height, height angle, solar altitude angle or elevation (gS) is the angle between the horizon and a line from the site toward the centre of the sun. The zenith angle is the opposite angle to the sun height (90° – gS). At a sun height of 90°, the sun is at the zenith and the zenith angle is zero.
Read more about this topic: Solar Azimuth Angle
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