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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:

Treasury yields turned slightly lower ahead of the U.S. nonfarm payrolls report at 1230 GMT.

From The Wall Street Journal Aug. 7, 2026

The cameras captured Richard returning to Wright's farm shortly after 23:00 GMT.

From BBC Aug. 6, 2026

Scientists anticipated the Falcon 9 upper stage was going to strike the lunar surface at approximately 0635 GMT on Wednesday.

From Barron's Aug. 5, 2026

Flash estimate inflation figures for July will be released from France and Italy, followed by the eurozone as a whole at 0900 GMT.

From The Wall Street Journal Jul. 31, 2026

Next, you'll be asked if your system clock is to be set to GMT or local time.

From Debian GNU/Linux : Guide to Installation and Usage by Goerzen, John

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