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.
How to vote Fans will be able to vote during the live simulcast of the show in the ET/CT time zones. — Angeline Jane Bernabe, ABC News, 10 Nov. 2026 The shows film on opposite sides of the country, and across three time zones. — Megan Vick, Variety, 7 Nov. 2026 Today’s employees now collaborate across countries, time zones and cultures as a matter of routine. — Shawn Zhang, Forbes.com, 5 Nov. 2026 After years of anticipation and multiple delays, GTA 6 will finally be released on November 19, 2026, though the exact release time varies by time zone. — Jason Cohen, PC Magazine, 3 Nov. 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 13 Nov. 2026.

Kids Definition

time zone

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

More from Merriam-Webster on time zone

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!