Greenwich Mean Time

/ˌˈgrɛnɪtʃ ˌmin ˈtaɪm/

Definitions of Greenwich Mean Time

1. noun

   the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
   synonyms: GMT, Greenwich Time, UT, UT1, universal time

   types:

   UTC, coordinated universal time

   Greenwich Mean Time updated with leap seconds

   ERT, Earth-received time

   the coordinated universal time when an event is received on Earth

   TRM, transmission time

   the coordinated universal time when a transmission is sent from Earth to a spacecraft or other celestial body

   SCET, spacecraft event time

   the coordinated universal time on board the spacecraft

   type of:

   time

   the continuum of experience in which events pass from the future through the present to the past