Written by a computer programmer/ environmental consultant with a technical background in science and engineering, this Web tool calculates sun angles. SunAngle calculates solar data for a single day and time, using latitude, longitude, elevation, and date/ time inputs.

Written by a computer programmer/ environmental consultant with a technical background in science and engineering, this Web tool calculates sun positions. SunPosition calculates values for different days and times throughout the year, providing date, time, altitude, and azimuth outputs. Several brief paragraphs describe the basis for each calculation, enabling the use of this site as a potential...