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GO Home Passive House Maine Video 2 of 2


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Denver Airport Green Parking EV Juice Bar Video


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Modern 'Morocco' Straw Bale House Video (California)


  

 

 

 

Resource

Solar Position Calculator

Solar zenith angle, declination, equation of time, etc.

This calculator program returns solar zenith angle, declination, Julian day, equation of time, hour angle, instantaneous and daily extraterrestrial radiation values, and sunrise and sunset times. Equations were provided by the National Renewable Energy Laboratory.