Full form of GMT is Greenwich Mean Time.
Greenwich Mean Time (GMT) is a time which helps to find the time of different countries.
GMT

Greenwich Mean Time or GMT is clock time at the Royal Observatory in Greenwich, London. It is the same all year round and is not affected by Summer Time (Daylight Saving Time) clock changes.

Every country has its own different GMT which helps in determining the exact time of that particular country.


The name of the clock that shows Greenwich Mean Time at the Royal Observatory in Greenwich, London, UK, is Shepherd Gate Clock.

We can take some examples of GMT such as +5:30, -5:30, +5:45, +9:30, +12, -3:30, -4 etc.