time zone

noun

: a geographic region within which the same standard time is used

Illustration of time zone

Illustration of time zone
  • A Pacific time
  • B mountain time
  • C central time
  • D eastern time

Examples of time zone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Is Arizona split into two time zones? Tiffany Acosta, AZCentral.com, 6 Mar. 2026 Each time zone would move forward 30 minutes. Jordan Green, Memphis Commercial Appeal, 3 Mar. 2026 The eclipse will be visible from Asia, Australia, the Pacific Islands and the Americas simultaneously, but the local time of the event will depend on your time zone. Lily Hautau, CNN Money, 2 Mar. 2026 To find out the timing in your location, use a time zone converter. Stefanie Waldek, Condé Nast Traveler, 2 Mar. 2026 See All Example Sentences for time zone

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of time zone was in 1882

Browse Nearby Words

Cite this Entry

“Time zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20zone. Accessed 12 Mar. 2026.

Kids Definition

time zone

noun
: a geographic region within which the same standard time is used

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