Coordinated Universal Time

noun

Definition of Coordinated Universal Time

: the international standard of time that is kept by atomic clocks around the world abbreviation UTC — compare greenwich mean time, universal time

First Known Use of Coordinated Universal Time

1969, in the meaning defined above

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The first known use of Coordinated Universal Time was in 1969

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Cite this Entry

“Coordinated Universal Time.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Coordinated%20Universal%20Time. Accessed 8 December 2019.

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