Chinese Calendrics 

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 term julian dark solstice

EarthWatch 

EarthWatch displays a graphical world clock with a dynamic map image of the world showing the day and night areas, a sundial, and an information panel featuring sunrise/sunset times and much more -- all in real-time or time-lapse animation.
earthwatch world clock chronograph chronometer astronomy earth world map sundial time clock ephemeris almanac shareware

Click Clock 

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 sun sunrise moonrise planet