Watch the time in various countries, even Star Date, Julian, or Swatch, with World Clock
WorldClock shows you the time in different places over the world.
It includes also the Swatch Internet Time, Julian Date and StarDate. You can use it to synchronize the time with an atomic clock, and you can define and watch custom time zones as you wish.
WorldClock is easy to use. It will let you define a watch using the list of the default Windows time zones.