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Resource

Pilkington Sun Angle Calculator

Determining solar geometry variables for architectural design

This handy tool provides a relatively simple method of determining solar geometry variables for architectural design, such as designing shading devices or locating the position of the sun relative to a particular latitude and time. The Sun Angle Calculator is a quick and accurate tool and has been used extensively by educators, researchers, and design professionals for the past 50 years. Permission to reproduce and distribute the Sun Angle Calculator has been provided by Pilkington to the Society of Building Science Educators (SBSE).