Sol Et Umbra is a program that shows sun ephemeris and is devoted to sundial designers. The program shows the main sun parameters for the actual (or whichever desired) time and date: - latitude and longitude - right ascension and declination - local azimuth and height - equation of time - local or time zone sun time - local or time zone mean time - time of (geometric center) rise, (geometric center) set and transit (local noon) - total number of hours of light When a network connection is avai