The meaning of GREENWICH MEAN TIME is the mean time that is associated with the prime meridian of Greenwich, England, and historically used as the prime basis of standard time throughout the world —abbreviation GMT—called also Greenwich Time. How to use Greenwich Mean Time in a sentence.
Greenwich Mean Time (GMT) is the local mean time at the Royal Observatory in Greenwich, London, counted from midnight. At different times in the past, it has been calculated in different ways, including being calculated from noon; [1] as a consequence, it cannot be used to specify a particular time unless a context is given.
Greenwich Mean Time (GMT), time zone and precursor to UTC as world time standard. GMT history and role in setting world time zones. View clocks showing GMT.
What does GMT stand for? 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 Though it has now been replaced by Coordinated Universal Time (UTC), GMT is still the legal time in Britain in the winter, used by the Met Office, Royal Navy and BBC World Service.
What is Greenwich Mean Time (GMT) - and why does it matter?
Greenwich Mean Time (GMT), the name for mean solar time of the longitude (0°) of the Royal Greenwich Observatory in England. The meridian at this longitude is called the prime meridian or Greenwich meridian. Greenwich Mean Time (GMT) has been used to clearly designate epoch by avoiding confusing references to local time systems (zones).
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.