2026年7月14日 / 美国东部时间下午5:53 / 哥伦比亚广播公司（CBS）新闻
华盛顿——当地时间周二，众议院投票通过一项法案，将在全国范围内全年实行夏令时，结束每年两次的时钟调整。这项已经持续多年的改革终于迎来进展。
这项名为《阳光保护法案》的法案以308票赞成、117票反对的表决结果通过。除了保留春季将时钟调快一小时的夏令时制度外，该法案还规定，如果在联邦法律生效前各州已有相关豁免条例，可继续使用标准时间。目前夏威夷和亚利桑那州大部分地区全年都使用标准时间。
“我实在不认识还有谁希望再调整时钟了，”新泽西州民主党众议员弗兰克·帕洛内周一在众议院规则委员会审议该法案时说道。
该法案的发起人、佛罗里达州共和党众议员弗恩·布坎南周二表示，时钟调整“毫无意义”地打乱了人们的日程安排。
法案支持者认为，这项改革将对睡眠节律、民众健康和经济产生积极影响，还能让美国人全年都能在晚间拥有更多日照时间。反对者则称，冬季早晨更长时间的黑暗会对健康和安全造成负面影响。
该法案现已提交至参议院，其未来走向尚不明朗。参议院曾在2022年通过一项类似法案，但众议院从未对其进行审议。此前推动参议院全年实行夏令时的华盛顿州民主党参议员帕蒂·默里已呼吁参议院多数党领袖约翰·图恩“尽快将该法案付诸表决”。
特朗普总统对该议题的立场多年来多次变化。他既曾呼吁取消夏令时，也支持将夏令时永久化。今年5月，该法案在众议院能源与商务委员会获得通过时，特朗普曾表示，如果法案送达他的办公桌，他将签署使其生效。
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美国国会于1918年首次推行夏令时，旨在增加日照时长并在第一次世界大战期间节约能源。二战期间，夏令时制度再次被启用。1973年，国会曾短暂将夏令时永久化，但在公众对该试验产生不满后，仅数月便推翻了这一决定。现行的夏令时制度——即每年3月的第二个周日开始调整时钟，11月的第一个周日结束——是在乔治·W·布什总统任内通过立法确立的。
“永久夏令时法案在实施一年内就被废除了，因为它行不通，”宾夕法尼亚州民主党众议员玛丽·盖伊·斯坎伦周一在规则委员会会议上说道。“我们都享受夏季多出的那一小时左右的日照，但在考虑这项法案时，大家需要考虑到冬季会多出的黑暗时长。”
House passes bill to make daylight saving time permanent
July 14, 2026 / 5:53 PM EDT / CBS News
Washington — The House on Tuesday voted to make daylight saving time permanent nationwide, amid a yearslong push to end the twice-annual clock changes.
The bill, titled the Sunshine Protection Act, passed in a 308 to 117 vote. In addition to keeping clocks shifted one hour ahead, which happens in the spring, the measure would allow states to use standard time if an exemption is in effect before the federal law is enacted. Hawaii and most of Arizona currently use standard time year-round.
“I don’t really know anybody who wants to change the clock anymore,” said Democratic Rep. Frank Pallone of New Jersey on Monday as the House Rules Committee considered the measure.
GOP Rep. Vern Buchanan of Florida, who introduced the bill, said Tuesday the clock changes disrupt schedules “for no good reason.”
Proponents of the bill argue the change would have positive impacts on sleep schedules, people’s health and the economy, and would allow Americans to have more daylight hours in the evening throughout the year. Its critics say extended darkness in the morning hours of winter would have negative effects on health and safety.
The bill now heads to the Senate, where its future is unclear. The Senate adopted a similar measure in 2022, but it was never taken up in the House. Democratic Sen. Patty Murray of Washington, who spearheaded prior efforts in the upper chamber to make daylight saving time permanent, called on Senate Majority Leader John Thune to “bring this bill to a vote as soon as possible.”
President Trump’s position on the issue has changed over the years. He has called both for daylight saving time to be eliminated and for it to be made permanent. In May, when the bill advanced out of the House Energy and Commerce Committee, Mr. Trump said he would sign it into law if it makes it to his desk.
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Congress enacted daylight saving time in 1918 to add additional daylight hours and help conserve energy during World War I. It was implemented again during World War II. In 1973, Congress briefly made daylight saving time permanent, but reversed course just months later after public opinion soured on the experiment. The current practice of starting daylight saving time on the second Sunday in March and ending it on the first Sunday in November was enacted under President George W. Bush.
“Permanent daylight savings time was repealed within a year because it didn’t work,” Democratic Rep. Mary Gay Scanlon of Pennsylvania said Monday during the Rules Committee meeting. “We all enjoy the extra hour or so of sunlight in the summer, but when people are considering this, they need to consider the extra hours of darkness in the winter.”
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