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.
Every state observes daylight saving time except for two - Hawaii and Arizona, with the exception of the portion of Navajo Nation that's in the state. Chandelis Duster, NPR, 12 Apr. 2025 Seasonal clock changes were enacted in 1966, but seven years later, the U.S. again observed year-round daylight saving time due to a national energy crisis. Addy Bink, The Hill, 6 Apr. 2025 While early birds are likely in their element quickly at the start of daylight saving time, night owls might need to be more vigilant with going to bed on time to make the mornings easier. Lieke Ten Brummelhuis, Forbes, 7 Mar. 2025 Trump has yet to pass any executive legislation to permanently end daylight saving time. Anthony Robledo, USA TODAY, 25 Feb. 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

Browse Nearby Words

Cite this Entry

“Daylight saving time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/daylight%20saving%20time. Accessed 21 Apr. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!