GMT

Definition : Greenwich Mean Time
Category : Regional » Time Zones
Country/Region : Worldwide Worldwide
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Initialism

What does GMT mean?

Greenwich Mean Time (GMT) is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. GMT was established in 1884 at the International Meridian Conference when it was decided to place the Prime Meridian at Greenwich, England, United Kingdom.

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Frequently Asked Questions

What is the full form of GMT?

The full form of GMT is Greenwich Mean Time

What is the full form of GMT in Regional?

Greenwich Mean Time

What are the full forms of GMT in Worldwide?

Greenwich Mean Time | Generic Mapping Tools | Giant Magellan Telescope

Translation

Translate Greenwich Mean Time into other languages

Citations Formatting rules vary by edition. Please verify against your required style manual.

APA Style

FullForms. (2026). GMT. FullForms.com. https://fullforms.com/GMT

Chicago Style

FullForms. "GMT." Accessed June 6, 2026. https://fullforms.com/GMT.

Harvard Style

FullForms (2026) 'GMT', FullForms.com. Available at: https://fullforms.com/GMT (Accessed: 06 June 2026).

MLA Style

"GMT." FullForms.com, 2026, https://fullforms.com/GMT. Accessed 06 Jun. 2026.