Definition of GMT abbreviation from the Oxford Advanced Learner's Dictionary

 

GMT

 abbreviation
abbreviation
BrE BrE//ˌdʒiː em ˈtiː//
 
; NAmE NAmE//ˌdʒiː em ˈtiː//
 
[uncountable]
 
jump to other results
Greenwich Mean Time (the time at Greenwich in England on the line of 0° longitude, used in the past for calculating time everywhere in the world) compare UTC
See the Oxford Advanced American Dictionary entry: GMT