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.
As the night passed in Iran, questions arose about what time zone the Iranian government might have been referencing in its threat. Timothy Nerozzi, The Washington Examiner, 18 June 2025 The next puzzle will be available at midnight in your time zone. Mark Cooper, New York Times, 17 June 2025 In those areas – including Iran – time zones change by half an hour. Kim Hjelmgaard, USA Today, 17 June 2025 Expertise Without Borders Operating remotely enables businesses to leverage specialized knowledge and skills freely, beyond the confines of geography or time zones. Georg Beyschlag, Forbes.com, 16 June 2025 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 28 Jun. 2025.

Kids Definition

time zone

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

More from Merriam-Webster on time zone

Last Updated: - Updated example sentences
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