A utility which provides rising, transit and settingtimes for both the Sun and Moon, start and end timesfor Civil, Nautical and Astronomical twilight and arange of information on the Moon and, to a lesserdegree, the Sun, graphically displaying the currentphase of the moon (in real time), its age, percentageilluminated, distance, position and the times anddates of the major lunar phases for the selected monthand year. V2.30 can calculate times and dates of lunar eclipses between two dates; determine visibility of eclipsesfrom user's location; calculates Equinox and Solsticetimes; Provides day/week numbers in ISO format;Displays daily phase diagram for month (which can besaved).