Greenwich Mean Time

noun

1. mean solar time on the 0° meridian passing through Greenwich, England, measured from midnight: formerly a standard time in Britain and a basis for calculating times throughout most of the world, it has been replaced by an atomic timescale GMT See universal time

Greenwich Mean Time

/ grĕn′ĭch /

1. See universal time

Usage

The name Greenwich mean time is ambiguous, having been measured from mean midday in astronomy up to 1925, and is not used for scientific purposes. It is generally and incorrectly used in the sense of universal coordinated time , an atomic timescale available since 1972 from broadcast signals, in addition to the earliest sense of universal time , adopted internationally in 1928 as the name for GMT measured from midnight

Example Sentences

UTC — Coordinated Universal Time, also known as Greenwich Mean Time, seven hours before it was planned to go out at 10:19 a.m.

From Seattle Times

The United Kingdom, historically and emotionally tethered to the astronomical standard, enshrined in Greenwich Mean Time, has been reluctant to commit publicly.

From New York Times

That focuses the agenda for schools like Holy Family, a state-funded Catholic school in the London borough of Greenwich, home of the historic Cutty Sark clipper ship and Greenwich Mean Time.

From Seattle Times

But staying on Greenwich Mean Time means the celebrities have to film the trials during the night, which is why no trial so far has taken place outdoors or even in daylight.

From BBC

That’s because all Axon Body 2 cameras, the brand used by Kent police, are set to Greenwich Mean Time, a police official explained.

From Seattle Times