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.
Putting out fires from a different time zone. Lien De Pau, Forbes.com, 26 June 2026 The next puzzle will be available at midnight in your time zone. Mark Cooper, New York Times, 25 June 2026 Peerbolte noted that Joliet is within the first 100 miles of Route 66, which starts in Chicago and spans 2,448 miles through three time zones to end in Santa Monica, California. Alicia Fabbre, Chicago Tribune, 25 June 2026 This year, the ball will drop eight times in total for July 4 for when the clock strikes midnight in each American time zone. Amethyst Martinez, USA Today, 23 June 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 29 Jun. 2026.

Kids Definition

time zone

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

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