UT1

Definitions of UT1
  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, universal time
    see moresee less
    types:
    show 4 types...
    hide 4 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
Word Family