|Tools for consumers and designers of solar|
Sun PositionCalculation of sun’s position in the sky for each location on the earth at any time of day. Azimuth, sunrise sunset noon, daylight and graphs of the solar path.
Photovoltaic paybackEconomic analysis of a photovoltaic system, with the determination of payback and chart.
Photovoltaic FAQThis section lists the FAQ (Frequently Asked Questions) on photovoltaic systems and in general the sources of renewable energy.
Sunrise Sunset CalendarCalendar of sunrise sunset noon daylight of the sun at any location on the planet for an entire year. The table shows the time and azimuth in degrees.
Build a sundialHere you can building your sundial in a few minutes, get coordinates, declination and the dimension.