SINCE 1828
dictionary
thesaurus
view recents

time zone

noun
Save Word

Definition of time zone

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

Illustration of time zone

Illustration of time zone

time zones in the conterminous United States: A Pacific time, B mountain time, C central time, D eastern time

Examples of time zone in a Sentence

Recent Examples on the Web Exposure to daylight in a new time zone can help reset your circadian rhythm. — Rachel King, Fortune, "Tried and true tricks for getting over jet lag," 27 Dec. 2020 Check your local listings to find out how early each show airs in your time zone. — Emily Vanschmus, Better Homes & Gardens, "The New Year’s Eve Times Square Ball Drop Will Be Virtual This Year," 17 Dec. 2020 To celebrate the states that make up our democracy, Prairie Moon will offer dinner for two, featuring dishes from every time zone. — Adam Lukach, chicagotribune.com, "Stress eat your way through Election Day with 10 restaurant specials and comfort food picks," 31 Oct. 2020 Rundgren and a new, expanded, 10-piece backing band will stage each concert in the same Chicago venue (a location chosen for its time zone to allow for an 8 p.m. showtime in each market). — Ed Masley, The Arizona Republic, "Todd Rundgren 'playing' Phoenix on a virtual 'Clearly Human' tour. What you need to know," 4 Dec. 2020 Poll hours in Nebraska vary depending on the time zone with all polls opening and closing concurrently at 9 p.m. EST. — USA TODAY, "Nebraska Election Results 2020: Live Updates," 3 Nov. 2020 The last time a full moon visible in every time zone fell on Halloween was in 1944. — Leada Gore | Lgore@al.com, al, "Halloween full moon 2020: Rare blue moon first Oct. 31 full moon in 76 years," 30 Oct. 2020 Four trips to the Eastern time zone in their first eight games is brutal. — Los Angeles Times, "Letters: Rams more than half bad, and Chargers can’t finish," 6 Nov. 2020 Your relative might live in a time zone that overlaps with a mealtime. — Amy Dickinson, oregonlive, "Ask Amy: Woman wonders if in-laws’ ‘mean dog’ is racist," 5 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'time zone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of time zone

1892, in the meaning defined above

Keep scrolling for more

Learn More about time zone

Time Traveler for time zone

Time Traveler

The first known use of time zone was in 1892

See more words from the same year

Statistics for time zone

Last Updated

19 Jan 2021

Cite this Entry

“Time zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20zone. Accessed 25 Jan. 2021.

Keep scrolling for more

More Definitions for time zone

time zone

noun

English Language Learners Definition of time zone

: any one of the world's 24 divisions that has its own time

See the full definition for time zone in the English Language Learners Dictionary

time zone

noun

Kids Definition of time zone

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

More from Merriam-Webster on time zone

Nglish: Translation of time zone for Spanish Speakers

Britannica.com: Encyclopedia article about time zone

Comments on time zone

What made you want to look up time zone? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

optimization

Listen to the pronunciation of optimization

See Definitions and Examples »

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games