Coordinated Universal Time
noun
: the international standard of time that is kept by atomic clocks around the world
—abbreviation UTC
compare greenwich mean time, universal time
Examples of Coordinated Universal Time in a Sentence
Recent Examples on the Web
It was later expanded to encompass nine time zones, all defined by their difference from the global Coordinated Universal Time (UTC).
—
Jeanine Santucci,
USA Today,
6 Mar. 2026
Here's the exact timing of the eclipse in Coordinated Universal Time (UTC).
—
Stefanie Waldek,
Condé Nast Traveler,
2 Mar. 2026
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Jeanine Santucci,
USA Today,
6 Mar. 2026
Here's the exact timing of the eclipse in Coordinated Universal Time (UTC).
—
Stefanie Waldek,
Condé Nast Traveler,
2 Mar. 2026
Cite this Entry
“Coordinated Universal Time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Coordinated%20Universal%20Time. Accessed 5 Jul. 2026.
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