You are, in part, correct.
Originally Posted by Bob F.
If you listen to the automated time announcement each minute on WWV (the US government time standard) - the robot does say "At the tone the time is XX hours and YY minutes, Coordinated Universal Time."
But general written usage, even in English, is "UTC" - yes, from the French acronym. Maybe because "CUT" looks dumb?
As to the Google GMT "hits" that would hardly seem relevant. More people (you Brits) refer to GMT on a daily basis. Besides, probably a lot of those "hits" are listings of those innumerable GMT time references made BBC news "readers" at the end of every friggin' story!