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 games span multiple time zones. — Joy Burton, NBC news, 22 June 2026 The next puzzle will be available at midnight in your time zone. — Will Jeanes, New York Times, 28 June 2026 That meant knocking on doors, cold-calling potential sellers, and stretching his hours to serve clients in different time zones. — Emma Burleigh, Fortune, 28 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

Rhymes for time zone

See All Rhymes for time zone

Browse Nearby Words

timeworn
time zone
Timgad
See all Nearby Words

Cite this Entry

“Time zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20zone. Accessed 7 Jul. 2026.

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Kids Definition

time zone

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

More from Merriam-Webster on time zone

Nglish: Translation of time zone for Spanish Speakers

Britannica.com: Encyclopedia article about time zone

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