greenwich mean time

Noun
  1. The local time at the 0 meridian passing through Greenwich, England;
    It is the same everywhere (synset 115155157)
    is a type of: time - the continuum of experience in which events pass from the future through the present to the past
    subtypes: coordinated universal time, utc - Greenwich Mean Time updated with leap seconds
    same as: gmt, greenwich time, universal time, ut, ut1

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