Test model for zenith angle
This example computes the zenith angle,
which is the angle between the earth surface normal and the sun beam.
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February 25, 2012, by Michael Wetter:
 Changed model to get declination angle and
solar hour angle from weather bus.
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May 17, 2010, by Wangda Zuo:
 First implementation.
Generated at 2025-10-31T19:31:39Z
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