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.
The next puzzle will be available at midnight in your time zone. Mark Cooper, New York Times, 20 Apr. 2025 Taxpayers without an extension must file their forms by midnight in the time zone they're based in. Rebecca Morin, USA Today, 16 Apr. 2025 The impact, which would also be tough for farmers, would be especially problematic in states on the western edge of time zones and in the northern Midwest and Great Plains. Dave Goldiner, New York Daily News, 11 Apr. 2025 Frequent travel across multiple time zones disrupts circadian rhythms and increases the risk of injuries due to inadequate rest and recovery. Claire Poole, Forbes.com, 5 Apr. 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 24 Apr. 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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