time zone

noun

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

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

Businesses big and small use it to store, ship and deliver merchandise across the country's 11 time zones. — ABC News, 17 Aug. 2026

Locations on the western edges of a time zone experience later sunset times than locations on the eastern edge of the same time zone, mainly because the sun sets to the west! — Zoe Mintz, CBS News, 16 Aug. 2026

That might mean moving frequently between time zones without a prolonged dip in performance, processing large volumes of information during an acquisition, enduring unexpected crises, or simply maintaining the energy required to lead effectively. — Julian Hayes Ii, Forbes.com, 15 Aug. 2026

This is the only back-to-back set of the season for the Heat out of their 13 that crosses time zones. — Ira Winderman, Sun Sentinel, 14 Aug. 2026

Word History

First Known Use

1882, in the meaning defined above

Rhymes for time zone

• acetone
• anglophone
• baritone
• bourguignon
• buspirone
• chaperon
• chaperone
• cobblestone
• collarbone
• cornerstone
• cortisone
• dictaphone

Kids Definition

time zone

noun

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