daylight saving

American  

Or daylight savings

noun

1. the practice of advancing standard time by one hour in the spring of each year and of setting it back by one hour in the fall in order to gain an extra period of daylight during the early evening.

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Etymology

Origin of daylight saving

First recorded in 1905–10

Example Sentences

The time is throwing me too, especially so close to the daylight savings change-up.

From Los Angeles Times

Losing an hour of sleep because of daylight saving time had Rui Hachimura sleepwalking into the arena Sunday morning for a 12:30 p.m. tip.

From Los Angeles Times

Generally speaking, the twice-a-year daylight saving time clock changes are unpopular.

From Los Angeles Times

This in turn could cause investors to “prefer safer investments and shun risk … during the trading day following … a disturbance in their sleep patterns. This could push down stock prices following daylight saving shifts.”

From MarketWatch

The current iteration of daylight saving time, extending from the second Sunday in March to the first in November, was established in 2005.

From Los Angeles Times