Definition of time zone
: a geographic region within which the same standard time is used
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Recent Examples of time zone from the Web
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The federal government controls the nation’s time zones, as well as the start and end dates of daylight saving time.
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Two other states got approval to exempt themselves from the 1966 federal law that sets a uniform time and yearly schedule for all time zones.
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However, the doctor did note that Trump took Ambien — as did most everybody else on his team — when traveling between time zones.
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This will give your body a baseline for bedtime and accelerate your adjustment to the new time zone.
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Two of the board members were overseas, dialling in from remote time zones.
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The walkout began at 10:00 a.m. Eastern time and continued in waves, as each time zone participated.
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Viacom Media Networks paused programming for 17 minutes on all of its major TV channels at 10 a.m. local time in times zones nationwide Wednesday.
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As time zones across the country hit the 10 a.m. mark, the walkouts continued.
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.
Illustration of time zone
First Known Use of time zone
1892
TIME ZONE Defined for English Language Learners
time zone
Definition of time zone for English Language Learners
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: any one of the world's 24 divisions that has its own time
TIME ZONE Defined for Kids
time zone
Definition of time zone for Students
: a geographic region within which the same standard time is used
Learn More about time zone
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See words that rhyme with time zone Spanish Central: Translation of time zone Nglish: Translation of time zone for Spanish speakers Britannica.com: Encyclopedia article about time zone
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