A smarter way to watch the sun. Quickly calculate sun activity. Calculates the following data: Sunrise. Solar noon. Sunset. Length of day. Twilight times. Equation of time. Declination. Azimuth of sunrise and sunset. Altitude of sun at noon. Sun Path during the day. Solstice and Equinox dates. Pro version: Moon rise. Moon transit. Moon set. Declination.
