GMT (disambiguation)

GMT or Greenwich Mean Time is the mean solar time at the Royal Observatory in Greenwich, London.

GMT may also refer to:

Science and technology

 * Generic Mapping Tools in graphical computing
 * Geometric measure theory
 * Giant Magellan Telescope, a telescope under construction in Chile 11
 * GM GMT platform, an automobile platform
 * Great Melbourne Telescope, built in Dublin, Ireland

Transport

 * GATX, an American rolling stock leaser
 * Granite Mountain Air Station, an airport in Alaska
 * Greater Manchester Transport, in England
 * Green Mountain Transit, a transportation company in Vermont
 * Grosmont railway station, in England

Other uses

 * GMT (TV programme), UK
 * Glycine/sarcosine N-methyltransferase, an enzyme
 * G:MT – Greenwich Mean Time, a 1999 British film
 * GMT Games, US
 * GMT Records, a Japanese record label
 * Goodman–Martinez–Thompson correlation, between the Mayan and Julian calendars
 * Guy McCoy Tormé, a British rock-band
 * Metal-Textile Union, a former Austrian trade union