The Clue
Clock std. (3 letter answer)
The Answer
GMT
Tags
Notes
The answer GMT is uncommon, appearing about once every 450 puzzles.
Related Clues
BBC std.
Chronometric inits.
Chronometric std.
Intl. standard
London hrs.
Std. in chronometry
U.K. time
Basic time initials
Basis of std. time
Certain world std.
Clock-setting std.
Clock standard: Abbr.
Prime meridian hrs.
Prime meridian std.
World clock std.
BBC World Service std.
Zero-deg. setting
Zulu, in the military: Abbr.
Clock-setting standard: Abbr.
Frequent abbr. in BBC announcements
Setting for BBC reports, in brief
Time based on a Lon. borough
Definition
GMT as a noun:
1. (Greenwich Mean Time, Greenwich Time, GMT, universal time, UT, UT1) = the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere