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, The Athletic, 14 Mar. 2025 Totality phase timings across North America by time zone 2:26 to 3:31 a.m. EDT on Friday, March 14, 2025 1:26 to 2:31 a.m. CDT on Friday, March 14, 2025 12:26 to 1:31 a.m. Daisy Dobrijevic, Space.com, 13 Mar. 2025 The total lunar eclipse will make the moon appear red on Thursday, March 13 into the following day, depending on the time zone, according to NASA. Aliza Chasan, CBS News, 12 Mar. 2025 Depending on your time zone, the celestial transit will occur Thursday evening or Friday morning and be visible in every U.S. state and other parts of the Western Hemisphere. Joe Hernandez, NPR, 11 Mar. 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 Mar. 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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