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daylight saving time

noun
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Definition of daylight saving time

: time usually one hour ahead of standard time

— called also daylight saving, daylight savings, daylight savings time, daylight time

Examples of daylight saving time in a Sentence

Recent Examples on the Web The territories of Puerto Rico, American Samoa, Guam, the Virgin Islands and the Northern Mariana Islands do not use daylight saving time, either. — Jen Smith, CNN, "Changing the clocks is a bad idea — and it should end, sleep experts say," 3 Sep. 2020 And then there’s wishy-washy Arizona, which splits the year between Mountain and Pacific thanks to its refusal to participate in daylight saving time. — Kyle Paoletta, New York Times, "Mountain Time Is the Best Time Zone in America," 18 Aug. 2020 An Energy Department study from about a decade ago showed that daylight saving time cut our energy use by a whopping 0.03%. — Doug Criss, CNN, "Today's the 100th anniversary of daylight saving time. Forgive us if we don't bake a cake," 19 Mar. 2018 The origins of daylight saving time date back to 1784, when Franklin wrote a letter to a Paris newspaper proposing a tax on those whose windows were closed after sunrise. — Leada Gore | Lgore@al.com, al, "Daylight saving time change 2020: Get ready to ‘spring forward’ 1 hour; DST starts Sunday," 7 Mar. 2020 The state of Massachusetts is considering ditching daylight saving time altogether for the Atlantic Standard Time, joining places like Nova Scotia and Puerto Rico, according to Boston.com. — Julia Jacobo, ABC News, "How daylight saving time works and why these states want to ditch it," 7 Mar. 2020 That area will continue to switch between daylight saving time to standard time each year. — oregonlive.com, "Permanent daylight saving bill heads to Oregon governor," 6 June 2019 Indiana began practicing daylight saving time in 2006. — Julia Jacobo, ABC News, "How daylight saving time works and why these states want to ditch it," 7 Mar. 2020 Are there states that would like to dump daylight saving time? — Doyle Rice, USA TODAY, "Daylight saving time begins Sunday. Are you ready to spring forward?," 4 Mar. 2020

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

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First Known Use of daylight saving time

1908, in the meaning defined above

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Time Traveler for daylight saving time

Time Traveler

The first known use of daylight saving time was in 1908

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Statistics for daylight saving time

Last Updated

15 Sep 2020

Cite this Entry

“Daylight saving time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/daylight%20saving%20time. Accessed 19 Sep. 2020.

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More Definitions for daylight saving time

daylight saving time

noun

English Language Learners Definition of daylight saving time

US : a period of the year between spring and fall when clocks in the U.S. are set one hour ahead of standard time

See the full definition for daylight saving time in the English Language Learners Dictionary

daylight saving time

noun

Kids Definition of daylight saving time

: time usually one hour ahead of standard time

More from Merriam-Webster on daylight saving time

Britannica.com: Encyclopedia article about daylight saving time

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