Time Around the World! Here is a fun page with Clocks and links and information about Greenwich Mean Time, Time Zones, What Time is is Where and All kinds of Interesting Gadgets.

Learning about world time teaches science, math, geography and more!

Did you know European Summer Time starts: Sunday 30 March 2008 01:00 GMT.
USA & Canada Daylight Saving Time (DST) starts: Sunday 9 March 2008

The following is info from Greenwich Mean Time Website

Greenwich, England has been the home of Greenwich Mean Time (GMT) since 1884. GMT is sometimes called Greenwich Meridian Time because it is measured from the Greenwich Meridian Line at the Royal Observatory in Greenwich. Greenwich is the place from where all time zones are measured.

Clocks Change: Spring Forward & Fall Back (Fall = Autumn)

BUT GMT remains the same all year around.