SunCalc - sunrise sunset shadow length solar eclipse sun position sun phase sun height sun calculator sun movement map sunlight phases elevation Photovoltaic system Photovoltaic questions & answers

Solar System 3D Screensaver will bring the Planets to your desktop.

Free

Calculates and displays, for any location on the Earth.

Program to find the position of Sun/Moon from any location & time (1900 - 2049).