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.
Still, Trump trekking four time zones west to get to Sullivan’s home turf — an unusually long trip so close to the midterms — is his strongest show of support. — Will Weissert, Los Angeles Times, 13 Oct. 2026 Trump trekking four time zones west to get to Sullivan’s home turf — an unusually long trip so close to the midterms — is his strongest show of support for the incumbent. — ABC News, 13 Oct. 2026 Aside from demanding that fans in the Pacific time zone set their alarms for an ungodly early start to their Sunday viewing slate, the International Series games have been hampered by NFL Network’s status as a basic-cable channel. — Anthony Crupi, Sportico.com, 9 Oct. 2026 Trinidad and Tobago is just three-and-a-half hours from South Florida and operates in the same time zone, while the United States is the country’s largest trading partner and accounts for around one-third of its exports. — Panorama Media Ltd, Miami Herald, 8 Oct. 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 19 Oct. 2026.

Kids Definition

time zone

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

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