SetClock

Keeps the clock of your computer accurate by obtaining the exact time from one of the available atomic clock servers. It also allows setting the TimeZone from the program, so traveling with a laptop adjusts to the local time with a click. SetClock is also an alarm clock waking you up with your favorite music, a Hebrew/Gregorian Calendar showhing the Jewish Holidays. Calculates Yahrzeit (the death date by the Jewish Calendar) dates. WorldClock showing the exact time in major cities of the world.

Limitations:

12-day trial