Tech-Pro World Clock 

World Clock is a desktop clock that shows the current time and date, plus the local time in major cities, overlaid on a world map that can be shaded to show day and night. It can also set the system clock using an atomic time server.
tech-pro world clock world map clock calendar atomic clock

World time 

1. Unlimited configurable clocks, each with it's own time zone. 2. A 2D or 3D world map capable of plotting any location by Lat/Long and displaying the part of the globe currently in darkness (night). 3. Unlimited user definable alarms.
pim world date time download freeware