Love it or hate it, many Americans will turn their clocks back one hour on Sunday as daylight saving time (DST) ends. This yearly adjustment brings lighter mornings and darker evenings for most states.
All U.S. states observe DST except Hawaii and Arizona. However, the part of the Navajo Nation located in Arizona does observe DST. Additionally, U.S. territories such as Guam, Puerto Rico, American Samoa, the Virgin Islands, and the Northern Mariana Islands do not change their clocks.
Nineteen states have passed laws to make DST permanent year-round. Yet, the National Conference of State Legislatures (NCSL) explains that because federal law does not currently allow full-time DST, Congress must approve any permanent change.
"Because federal law does not currently allow full-time DST, Congress would have to act before states could adopt changes." — National Conference of State Legislatures
Only about 12% of U.S. adults support permanent daylight saving time.
Vintage clocks, like those at the Electric Time Company in Medfield, Massachusetts, will require resetting to reflect the time change.
"It's that time of year again: Many Americans will have to reset their clocks and circadian rhythms when daylight saving time ends on Sunday." — Charles Krupa/AP
Summary: As daylight saving time ends, most Americans will adjust clocks back one hour, highlighting ongoing debates about making this time change permanent.
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