UTC

Pronunciation (US):

(GB):

 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)

Sense 1

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)

 Context examples 

Phivolcs recorded 611 aftershocks as of Saturday 8:00 p.m. (1200 UTC).

(Aftershocks increase death toll of magnitude 6.3 earthquake in southern Philippines, Wikinews)

The first attack started at about 7am local time (UTC-4) and was resolved in two hours.

(Distributed malware attacks Dyn DNS, takes down websites in US, Wikinews)

The time of closest approach with the gas-giant world was 6:44 a.m. PDT (9:44 a.m. EDT, 13:44 UTC) when Juno passed about 2,600 miles (4,200 kilometers) above Jupiter's swirling clouds.

(Juno Successfully Completes Jupiter Flyby, NASA)

I asked what time the men landed, and he said 20:17 UTC, but the men stayed inside the spacecraft for 6 hours and 39 minutes.

(AstrologyZone.com, by Susan Miller)

At the time of closest approach, based on current calculations to be about 2:18 p.m. EDT (11:18 a.m. PDT / 18:18 UTC), the asteroid will be roughly over New Zealand.

(Small Asteroid to Safely Pass Close to Earth Sunday, NASA)

The flight started at 8:17 a.m. local time (0617 UTC) in Sangatte and finished in St Margaret's at Cliffe near Dover.

(French inventor Franky Zapata successfully crosses English Channel on jet-powered hoverboard, Wikinews)

Asteroid 2002 AJ129 will make a close approach to Earth on Feb. 4, 2018 at 1:30 p.m. PST (4:30 p.m. EST / 21:30 UTC).

(Asteroid 2002 AJ129 to Fly Safely Past Earth February 4, NASA)

The new view was obtained on July 10, 2016, at 10:30 a.m. PDT (1:30 p.m. EDT, 5:30 UTC), when the spacecraft was 2.7 million miles (4.3 million kilometers) from Jupiter on the outbound leg of its initial 53.5-day capture orbit.

(Juno Spacecraft Sends First In-orbit View, NASA)

The collision was observed Aug. 14 at 10:30:43 a.m. Coordinated Universal Time (UTC) using the two National Science Foundation (NSF)-funded Laser Interferometer Gravitational-Wave Observatory (LIGO) detectors located in Livingston, Louisiana, and Hanford, Washington, and the Virgo detector, funded by CNRS and INFN and located near Pisa, Italy.

(LIGO and Virgo observatories jointly detect black hole collision, National Science Foundation)

A 5.3-magnitude quake was recorded at 4:53 a.m Thursday morning (2053 Wednesday night, UTC) in Manay, Davao Oriental.

(Aftershocks increase death toll of magnitude 6.3 earthquake in southern Philippines, Wikinews)