Daylight saving time (DST), also referred to as daylight saving (s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and …

2025年3月7日 · Daylight saving time begins on Sunday, March 9 at 2 a.m. local time. What is daylight saving time? Daylight saving time is the time between March and November when …

What Is Daylight Saving Time? DST is a seasonal time change measure where clocks are set ahead of standard time during part of the year. As DST starts, the Sun rises and sets later, on …

2025年3月13日 · Daylight Saving Time, system for uniformly advancing clocks, so as to extend daylight hours during conventional waking time in the summer months. In countries in the …

Most of the United States observes daylight saving time (DST), the practice of setting the clock forward by one hour when there is longer daylight during the day, so that evenings have more …

Daylight Saving Time (DST) is the practice of setting the clocks forward one hour from standard time during the summer months, and back again in the fall, in order to make better use of …

2010年3月2日 · What is daylight saving time? Daylight saving time, or DST, is the period of the year when clocks are moved one hour ahead. In the United States, this has the effect of …

2025年3月24日 · Daylight saving time was originally introduced in the U.S. in 1918, to conserve energy during wartime and create more leisure time in the evening. By moving clocks forward …

2025年3月4日 · Daylight saving time gives us an extra hour of daylight — but one less hour of sleep — so it's important to make sure you know the date on the calendar. Here's what we …

Daylight saving time, also known as DST, is a practice where we advance the clocks by one hour on the second Sunday of March and set them back by one hour on the first Sunday of …