standard time

noun

: the time of a region or country that is established by law or general usage as civil time (see civil sense 5)
… the advent of the railway system and its demand for accurate timetables created the need for standard time and GMT became the legal standard time of Britain in 1880.John Sallnow
specifically : the mean time of a meridian that is a multiple of 15 arbitrarily applied to a local area or to one of the 24 time zones and designated as a number of hours earlier or later than Greenwich Mean Time
At a little after nine Central Standard Time on the night of Monday, April 13, 1970 there was, high in the western sky, a tiny flare of light that in some respects resembled a star exploding far away in our galaxy. Henry S. F. Cooper, Jr.

Examples of standard time in a Sentence

Recent Examples on the Web
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Multiple other states, however, have seen legislation introduced during their current legislative session to put the state on permanent standard time or exempt it from daylight saving time. Addy Bink, The Hill, 6 Apr. 2025 Some of the debate is over whether to keep daylight saving time permanent, or make standard time permanent and eliminate daylight saving time altogether. Ross O'Keefe, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 8 Mar. 2025 The Utah Golf Association is also fighting a bill to make standard time permanent. Margery A. Beck, Chicago Tribune, 8 Mar. 2025 Nineteen states have passed bills opting to adopt daylight saving time as the permanent standard time. Eleanor Nash, Kansas City Star, 7 Mar. 2025 See All Example Sentences for standard time

Word History

First Known Use

1809, in the meaning defined above

Time Traveler
The first known use of standard time was in 1809

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Cite this Entry

“Standard time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/standard%20time. Accessed 17 Jul. 2025.

Kids Definition

standard time

noun
: the time established by law or by general usage over a region or country

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