time zone


: 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 The simple silver sunburst dial shows the time and the tourbillon, while the miniaturized black dial features a second time zone and a day-night indicator. Rachel Cormack, Robb Report, 13 Apr. 2024 The new lunar time zone, Coordinated Lunar Time (LTC), is all about ensuring the success of future, multinational missions to the moon, said Michelle Hanlon, the executive director of the Center for Air and Space Law at the University of Mississippi. Kai McNamee, NPR, 9 Apr. 2024 Establishing a lunar time zone will better enable communications between spacecraft, data transfers, landing, docking and navigation. Christian Thorsberg, Smithsonian Magazine, 4 Apr. 2024 The White House wants the moon to have its own time zone. Sarah Al-Arshani, USA TODAY, 3 Apr. 2024 The European Space Agency has also been developing a lunar time zone to help aid future lunar explorations. Nik Popli, TIME, 3 Apr. 2024 The country is wider than the United States and straddles three time zones. Heather Chen, CNN, 14 Feb. 2024 The new project, also known as Act II from her Renaissance release, has made its way to the U.S. as of midnight Friday, after fans in countries like New Zealand and Australia got a sneak peek of sorts thanks to their time zones. Angel Saunders, Peoplemag, 29 Mar. 2024 Depending on your time zone, Cowboy Carter will arrive at midnight on Friday. Daniel Kreps, Rolling Stone, 28 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'time zone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of time zone was in 1892

Dictionary Entries Near time zone

Cite this Entry

“Time zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20zone. Accessed 16 Apr. 2024.

Kids Definition

time zone

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

More from Merriam-Webster on time zone

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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