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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
All first-class mail will continue to be delivered within the standard time frame of one to five days. Gordon G. Chang, MSNBC Newsweek, 8 Apr. 2025 This contradicts standard advice, but these aren’t standard times: Focus on saving only one month of expenses, then pour all other resources into the debt. Amy Lindgren, Twin Cities, 5 Apr. 2025 There was a brief reprieve from the chaos when Congress passed the Uniform Time Act in 1966, formalizing when the country (minus Hawaii and most of Arizona) was on daylight saving time and standard time. Addy Bink, The Hill, 9 Mar. 2025 The experts spoke universally against daylight saving time, and their personal opinions line up with recommendations of the American Academy of Sleep Medicine, the National Sleep Foundation as well as multiple European medical boards that argue to abolish the time change and stick to standard time. Luis Melecio-Zambrano, The Mercury News, 6 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 16 May. 2025.

Kids Definition

standard time

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

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