It's often referenced in BBC news reports: Abbr

• Zero longitude standard: Abbr
• Chronometric std.
• BBC std
• English time letters
• Setting at the prime meridian, for short
• London clock setting (Abbr.)
• U.K. clock standard
• Clock-setting std
• Prime meridian hrs.

Wikipedia Word definitions in Wikipedia
GMT is a news programme on BBC World News which premiered on 1 February 2010. The programme's main presenter is George Alagiah , with Stephen Sackur as a relief presenter. Each programme begins with the presenter giving the headlines, then turning to the ...