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.
For decades, the Orange County branch of the Mexican Mafia was led by Peter Ojeda, a longtime Santa Ana gang chieftain who maintained control over the local streets and jails even after a federal racketeering conviction in 2006 left him in a prison cell three time zones away. Sean Emery, Oc Register, 23 Apr. 2026 The show takes place May 17 at the MGM Grand Garden Arena in Las Vegas and will be seen live across all time zones on Prime Video, the Amazon Music app and Amazon Music’s Twitch channel. Chris Willman, Variety, 22 Apr. 2026 The next puzzle will be available at midnight in your time zone. Mark Cooper, New York Times, 21 Apr. 2026 The sapphires—one of which is shaped like a triangle—not only serve as hour markers but can be used to calculate a third time zone, making the watch not only beautiful but practical. Rachel Cormack, Robb Report, 21 Apr. 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 29 Apr. 2026.

Kids Definition

time zone

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

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