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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
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
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Word History
First Known Use
1908, in the meaning defined above
Time Traveler
The first known use of daylight saving time was
in 1908
Articles Related to daylight saving time
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 21 Nov. 2024.
Kids Definition
daylight saving time
noun
: time usually one hour ahead of standard time
More from Merriam-Webster on daylight saving time
Britannica.com: Encyclopedia article about daylight saving time
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