Alcyone Ephemeris is an accurate and fast astronomical ephemeris calculator covering the period 3000 BC to AD 3000. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, planets and fixed stars in ecliptical, equ
The World Almanac displays solar and lunar data for every 30 minutes throughout the day in addition to the times of rise, set, twilight, the lunar phase and the horizon. Includes database of towns for Australasia, Canada. UK and USA.