ActiveEarth (3.0)

Publisher's description of ActiveEarth

ActiveEarth is a world time clock with a gorgeous day/night merge of NASA's Visible Earth images in flat maps or a globe. It has accurate time zone data for more than 500 cities, and you can add more, and each city and clock can display weather conditions and forecasts. AE has dozens of scalable analog and digital clock styles. Graphical time difference tools to plan events between cities. Screen-saver, desktop background, time calculator, more!