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GMT

American  
Or G.M.T.
  1. Greenwich Mean Time.


GMT British  

abbreviation

  1. Greenwich Mean Time

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What is GMT? GMT is short for Greenwich Mean Time, an international reference point for time zones. How is GMT pronounced?[ gee-em-tee ]

Compare meaning

How does gmt compare to similar and commonly confused words? Explore the most common comparisons:

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At 07:49 GMT, the aircraft flew past a waypoint when the aircraft experienced severe turbulence.

From BBC ● Sep. 23, 2026

Ten-year U.K. government bond yields rose 1.2 basis points to 5.307% as investors also awaited a decision by the Bank of England at 1100 GMT, where rates are expected to be left on hold.

From The Wall Street Journal ● Sep. 17, 2026

Bitcoin, the world's biggest cryptocurrency by market value, dropped sharply, losing around five percent by 1850 GMT to $75,039.

From Barron's ● Sep. 15, 2026

Police were called shortly before 03:00 GMT on 29 April after the break-in on Moss Close in the village.

From BBC ● Aug. 31, 2026

At 00.50 GMT on December 9th 1921 Godley identified signals from 1BCG located at Greenwich, Connecticut.

From The Dawn of Amateur Radio in the U.K. and Greece: a personal view by Norman F. Joly

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