daylight saving time

noun

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

Federal law doesn’t mandate that states follow daylight saving time. Brian Resnick, Vox, "California voters reject the tyranny of daylight saving clock changes," 7 Nov. 2018 With daylight saving time fast approaching—and darkness settling in earlier with each passing week—suddenly even the most ardent worker bees can struggle to make it from nine to five without multiple cups of coffee. Zoe Ruffner, Vogue, "These Natural Energy Boosters Are the Cure for a Midday Slump," 24 Oct. 2018 Once daylight saving time begins, most of the country will enjoy daylight lasting until after 7 p.m. This month marks 100 years since daylight saving time was first used in the United States. Justin Grieser, Washington Post, "Daylight saving time starts this weekend. Here’s how things would change if we got rid of it.," 9 Mar. 2018 The first of the bills would simply certify Florida’s decision to move to year-round daylight saving time, approved overwhelmingly by lawmakers in March and signed by Gov. Rick Scott a few days later. Steven Lemongello, OrlandoSentinel.com, "Florida's year-round daylight saving time law on hold in Congress," 3 July 2018 If the Legislature approves the resolution, the task force would consider the effects of daylight saving time on: Energy and electricity usage Farming and livestock Physical and mental health Student performance Traffic accidents. Littice Bacon-blood, NOLA.com, "Should Louisiana get rid of daylight saving time? Lawmakers want to study the issue," 2 May 2018 Louisiana has observed daylight saving time since 1967, according to the resolution. Littice Bacon-blood, NOLA.com, "Should Louisiana get rid of daylight saving time? Lawmakers want to study the issue," 2 May 2018 An ad hoc state commission studied the ramifications of switching to Atlantic Standard Time, which is the same as staying on our daylight saving time year-round. Jon Chesto, BostonGlobe.com, "Are the days of ‘Spring forward, Fall back’ numbered?," 12 Mar. 2018 To see the hilariously-relatable memes resulted in this weekend's daylight saving time changes, go through the photos in the gallery above. Heather Leighton, Houston Chronicle, "Twitter perfectly reacts to daylight saving time change with hilariously-relatable memes," 11 Mar. 2018

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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Last Updated

17 Nov 2018

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The first known use of daylight saving time was in 1908

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More Definitions for daylight saving time

daylight saving time

noun

English Language Learners Definition of daylight saving time

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

daylight saving time

noun

Kids Definition of daylight saving time

: time usually one hour ahead of standard time

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More from Merriam-Webster on daylight saving time

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Spanish Central: Translation of daylight saving time

Britannica.com: Encyclopedia article about daylight saving time

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