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What is the full form of GMT?
GMT stands for Greenwich Mean Time, the Mean Solar Time at Greenwich, London’s Royal Observatory measured at the Earth’s meridian, which runs from the north to south Pole.
A brief history of GMT
- The British Parliament formally adopted GMT on 2 August 1880 followed by the USA on 18th November 1883.
- 24 time zones were created in the 1884 International Meridian Conference as GMT was internationally incorporated.
- Civil time or UTC of the United Kingdom in the present day.
About GMT
1. Established in 1884, GMT is the standard for all time zones in the world and the global timeline.
2. Evaluated from the Greenwich Meridian Line. Greenwich Mean Time is also known as Greenwich Meridian Time.
3. Though based on earth’s rotation it is not irregular as it considers a fictitious mean and the uniform velocity around the equator.
4. Since it is the cornerstone of world time and an actual reference of time it doesn’t switch with the weather.