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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
In 1918, the U.S. started observing daylight saving time as a wartime measure to save energy, but that lasted for only a year. Addy Bink, The Hill, 3 Nov. 2024 Here's when daylight saving time ends in 2024 Why don't Arizona and Hawaii change their clocks? Jeanine Santucci, USA TODAY, 2 Nov. 2024 According to the Pew Research Center, only about a third of all countries observe daylight saving time. Rebecca Cohen, NBC News, 2 Nov. 2024 Benjamin Franklin is sometimes mistakenly credited for inventing daylight saving time. Brittany Anas, Forbes, 30 Oct. 2024 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

Dictionary Entries Near daylight saving time

Cite this Entry

“Daylight saving time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/daylight%20saving%20time. Accessed 18 Nov. 2024.

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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