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.
Does every state observe daylight saving time? Fernando Cervantes Jr, USA Today, 8 Sep. 2025 In 2020, Wyoming enacted a law to observe daylight saving time permanently if three more western states — Colorado, Idaho, Montana, Nebraska, North Dakota, South Dakota, or Utah — do the same. Addy Bink, The Hill, 6 Sep. 2025 When does daylight saving time end in 2025? Haadiza Ogwude, Cincinnati Enquirer, 4 Sep. 2025 Phoenix is seven hours behind UTC on Mountain Standard Time (Arizona does not observe daylight savings time), so the new moon there is at 11:06 p.m. Aug. 22. Jesse Emspak, Space.com, 22 Aug. 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 9 Sep. 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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