daylight saving time


Definition of daylight saving time

: 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 Pi Day might make losing an hour for the daylight saving time change a little easier – or at least more appetizing. Kelly Tyko, USA TODAY, "Pi Day 2021 deals: Celebrate daylight savings time change with $3.14 pizza specials at 7-Eleven, Blaze, more," 14 Mar. 2021 But mostly sunny and mild is a nice way to begin daylight saving time, even with the gusty breeze. Washington Post, "D.C.-area forecast: Follow the bouncing temperatures up, down, and then up again--with a few flakes possible," 14 Mar. 2021 With daylight saving time coming this weekend, drivers will have one less hour of sleep. Sarah Brookbank, The Enquirer, "AAA: Hamilton, Butler, Warren and Clermont counties rank high for drowsy driving," 12 Mar. 2021 The idea is gaining some traction after a bipartisan group of U.S. senators this week reintroduced a bill that would eliminate standard time and keep daylight saving time year-round. Justin Grieser, Anchorage Daily News, "Spring forward forever? US lawmakers consider keeping daylight saving time year-round.," 12 Mar. 2021 And yet polls suggest that 70 percent of Americans don’t approve of switching back and forth between standard time and daylight saving time. Steve H. Hanke, National Review, "It’s Time to Dump Daylight Saving," 12 Mar. 2021 In that year, daylight saving time started the second Sunday in March and ended the first Sunday of November. Stephanie Toone, ajc, "Daylight saving time: 7 things to know," 10 Mar. 2021 This year, daylight saving time ends on Sunday, Nov. 7. Leada Gore |, al, "When does the time change? Get ready to ‘spring forward’ this weekend," 9 Mar. 2021 More:When does daylight saving time start this year? Kirby Adams, The Courier-Journal, "Kentucky State Parks are about to reopen. Here's your guide to the great outdoors," 8 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'daylight saving time.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of daylight saving time

1908, in the meaning defined above

Keep scrolling for more

Learn More about daylight saving time

Time Traveler for daylight saving time

Time Traveler

The first known use of daylight saving time was in 1908

See more words from the same year

Statistics for daylight saving time

Last Updated

1 Apr 2021

Cite this Entry

“Daylight saving time.” Dictionary, Merriam-Webster, Accessed 12 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for daylight saving time

daylight saving time


English Language Learners Definition of daylight saving time

US : a period of the year between spring and fall when clocks in the U.S. are set one hour ahead of standard time

daylight saving time


Kids Definition of daylight saving time

: time usually one hour ahead of standard time

More from Merriam-Webster on daylight saving time Encyclopedia article about daylight saving time

Comments on daylight saving time

What made you want to look up daylight saving time? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

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