daylight-saving time

American  

[dey-lahyt-sey-ving] / ˈdeɪˌlaɪtˈseɪ vɪŋ /

Or daylight-savings time

noun

1. the civil time observed when daylight saving is adopted in a country or community.

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daylight-saving time British  

noun

1. Also called (in the US): daylight time.  time set usually one hour ahead of the local standard time, widely adopted in the summer to provide extra daylight in the evening See also British Summer Time

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daylight-saving time Scientific  

/ dā′līt-sā′vĭng /

1. Time during which clocks are set one hour or more ahead of standard time to provide more daylight at the end of the working day during late spring, summer, and early fall. First proposed by Benjamin Franklin, daylight saving time was instituted in various countries during both world wars in the 20th century and was made permanent in most of the United States beginning in 1973. Arizona, Hawaii, most of eastern Indiana, and certain US territories and possessions do not observe daylight saving time.

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Etymology

Origin of daylight-saving time

First recorded in 1905–10

Example Sentences

With daylight-saving time set to begin this Sunday, Americans will once again be girding themselves for the “spring forward” ritual of setting their clocks an hour ahead and potentially losing some sleep.

From MarketWatch

In fact, the shift to daylight-saving time is, on average, followed by one of the worst days for the stock market.

From MarketWatch

And both of California’s U.S. senators are cosponsors of the federal Sunshine Protection Act, which would make daylight-saving time permanent across the country.

From Los Angeles Times

The Senate Judiciary Committee unanimously approved a bill that would keep the state on daylight-saving time all year - no falling back an hour in the fall and springing forward an hour in the spring.

From Washington Times

It is the latest step in the EU’s harmonisation of daylight-saving time first launched in the 1980s in an attempt to prevent divergent approaches from undermining the European single market.

From The Guardian