World Clock

Greenwich Mean Time or GMT is the clock time at the Royal Observatory in Greenwich, London. It is the same all year round and is not affected by Summer Time or Daylight Saving Time. When the sun is at its highest point exactly above the Prime Meridian, it is 1200 noon at Greenwich. With less than 24 hours before the solstice, view current Sun position and Midnight/Midday on Earth. GMT is still widely used as the standard time against which all the other time zones in the world are referenced. UK clocks abide by EU rules European clocks are now on DAYLIGHT SAVING When do clocks next change in Europe? Daylight saving start : Sunday 26 March 2017 01:00 GMT. Clocks go forward one hour. Daylight saving end : Sunday 29 October 2017 01:00 GMT.Clocks go back one hour. UK and Europe Clock Change Rules Greenwich Mean Time (GMT) has no offset from Coordinated Universal Time (UTC). This time zone is in use during standard time in: Europe, Africa, North America, Antarctica. This time zone is often called Greenwich Mean Time. See full time zone map Summer Time & DST Some places observe daylight saving time/summer time during the summer, and therefore use IST (Irish Standard Time) or BST (British Summer Time) in the summer.