1)   Click Clock 2.0.0
Animated weather radar & satellite, local temperature in tray, local weather, internet time sync, sun/moon rise, map, animated moon phase, planets, eclipse, equinox/solstice, meteors, dictionary, thesaurus, calculator, full year calendar, 27 holidays
weather, clock, calendar, radar, satellite, temperature, astronomy, map, moon, phase,

 2)   MaterialWorlds Simulations 1.5
Live interactive physics simulations let you explore the Solar System (orbits, seasons, gravity, tides, comets and satellites), play snooker and experiment with Laws of Motion, bridge,crash,ideal gas,pendulum clock and siege engine simulations.
virtual reality, science, physics, experiments, simulation, games, solar system, geocentric, astronomy, earth,

 3)   Chinese Calendrics 7.01
A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Chinese Calendar.
chinese, calendar, date, year, astronomy, software, moon, calendrics, lunar, solar,

 4)   Calendar Constructer 1.84
Create and print calendars and keep organized with this intuitive program. Options to load from tray, change fonts and colors, export to bitmap and insert clip art and images. Includes automatic holidays, daylight saving, religious dates, etc..
calendar, calendars, print, schedule, make, create, moon, phase, jewish, catholic,