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What does UTC stand for?

UTC stands for Coordinated Universal Time (zulu or Greenwich Mean Time, GMT)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

See other definitions of UTC

Other Resources:
We have 181 other meanings of UTC in our Acronym Attic

Samples in periodicals archive:

They discuss time before the 20th century, solar time, ephemerides, variable earth time, earth rotation and polar motion, ephemeris time, relativity and time, dynamical and coordinate time scales, clock developments, microwave atomic clocks, optical atomic standards, the definition and role of a second, international atomic time, coordinated universal time, time in the solar system, time and frequency transfer, modern earth orientation, international activities, time applications, and the future of timekeeping.
And so, at exactly 23:59:59 Greenwich Mean Time (GMT) -- or Coordinated Universal Time (UTC), to the scientifically literate -- on December 31, the world's clocks will add a beat to their metronomic tick tick tock.