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.
At the same time, the ability to text at any time or day means managers may feel pressured to respond to messages from upset colleagues (or those in different time zones) well outside of normal working hours. Holly Corbett, Forbes.com, 1 July 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 The next puzzle will be available at midnight in your time zone. Will Jeanes, New York Times, 28 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 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 4 Jul. 2026.

Kids Definition

time zone

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

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