UTC

 Dictionary entry overview: What does UTC mean? 

• UTC (noun)
  The noun UTC has 1 sense:

1. Greenwich Mean Time updated with leap seconds

  Familiarity information: UTC used as a noun is very rare.

 Dictionary entry details 

• UTC (noun)

Meaning:

Greenwich Mean Time updated with leap seconds

Classified under:

Nouns denoting time and temporal relations

Synonyms:

coordinated universal time; UTC

Hypernyms ("UTC" is a kind of...):

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

Hyponyms (each of the following is a kind of "UTC"):

Earth-received time; ERT (the coordinated universal time when an event is received on Earth)

transmission time; TRM (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)