HISTORY OF GMT!!!!!
What is GMT? Greenwich Mean Time is the yearly average of the time each day when the sun crosses the Prime Meridian at the Royal Observatory Greenwich. Solar time varies throughout the year, as the time interval between the sun crossing a set meridian line changes. GMT stands for Greenwich Mean Time, the local clock time at Greenwich. From 1884 until 1972, GMT was the international standard of civil time. though it has now been replaced by coordinated universal time (UTC), GMT is still the legal time in Britain in the winter, used by the Met Office, Royal Navy and BBC World service. Greenwich Mean Time is also the name of the time zone used by some countries in Africa and Western Europe, including in Iceland all year round. How did Greenwich Mean Time Begin ? It wasn't until the invention of the Pendulum clock in the 1650s that it was possible to work out the relationship between mean (clock) time and solar time. John Flamsteed came up with the formula for c