universal time

/ˈjunəˌvʌrsəl taɪm/
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Definitions of universal time
  1. noun
    the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
    synonyms: GMT, Greenwich Mean Time, Greenwich Time, UT, UT1
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    types:
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    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
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