daylight saving time

noun

: 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
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.
Under federal law, states are allowed not to observe daylight saving time, with Arizona and Hawaii being the lone states to do so. Chris Sims, The Courier-Journal, 2 July 2025 Hawaii and parts of Arizona do not participate in daylight saving time. Chris Sims, IndyStar, 2 July 2025 Constellations In mid-northern latitudes, the later sunsets (especially in the U.S., due to daylight savings time) mean the sky will not get completely dark until about 9 p.m. Jesse Emspak, Space.com, 25 Apr. 2025 The Senate in 2022 passed a bill called the Sunshine Protection Act to make daylight saving time permanent, but the bill never went anywhere in the House. Caroline Linton, CBS News, 10 Apr. 2025 See All Example Sentences for daylight saving time

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of daylight saving time was in 1908

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Cite this Entry

“Daylight saving time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/daylight%20saving%20time. Accessed 26 Jul. 2025.

Kids Definition

daylight saving time

noun
: time usually one hour ahead of standard time

More from Merriam-Webster on daylight saving time

Last Updated: - Updated example sentences
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