19 小时之前 · Daylight saving time will end 2 a.m. Nov. 2, 2025, when we turn our clocks back one hour and return to standard time. Florida lead the charge to make daylight saving time …

3 天之前 · Many Americans are frustrated with the twice-annual time changes, but no legislation has been passed to make daylight saving time permanent. Daylight saving time was first …

2 天之前 · In 2022, the U.S. Senate unanimously approved the Sunshine Protection Act that would make daylight saving time permanent, however the U.S. House of Representatives did …

The Standard Time Act of 1918, also known as the Calder Act, was the first United States federal law implementing Standard time and Daylight saving time in the United States. [2] It defined …

2024年9月5日 · The current dates for when the US springs forward (the second Sunday of March) into daylight saving time or falls back (the first Sunday of November) to standard time are …

2023年1月17日 · Daylight Saving Time (DST) was enacted as a legal requirement by the Uniform Time Act of 1966.6 7 Motivated by transportation improvements, this act mandated standard …

2020年9月30日 · Daylight Saving Time (DST) is a period of the year between spring and fall when clocks in most parts of the United States are set one hour ahead of standard time. DST begins …

As of 2024, federal law supports states that opt to switch between standard time and daylight saving time (from standard time to daylight saving time in the spring, then back to standard …

2022年3月16日 · Year-round daylight saving time (DST), signed into law by President Richard Nixon in January 1974, sought to maximize evening sunlight and, in doing so, help mitigate an …

2024年10月14日 · The act adopted standard time in the U.S., and it established five standard time zones that are still in use today: the Eastern, Central, Mountain, Pacific and Alaskan zones. …