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Latest News News Menu More. As Americans get ready to change the hour on their clock, not everyone in the US needs to worry about what the right time will be when Daylight Saving ends. Greg Heilman. Update: 5 November EDT. Also see: How will the impressive jobs report affect federal spending? Terence Kelly charged over Cleo Smith disappearance 18 billionaires received stimulus checks after tax breaks UK regulator clears first covid antiviral pill for use.
Aaron Rodgers defends 'immunisation' comments. Department of Energy said sticking with one time could save approximately 0. That's enough power for , households over a year. Another study shows that switching of clocks causes a 25 percent jump in heart attacks in the few days following the switch.
Arizona's independence from this annual time change can cause a lot of confusion for residents and visitors alike. The history of daylight saving is tied to energy conservation. Switching to DST in the summer means more sunlight at night, which in turn means homes don't have to turn on lights as early.
Over the course of the last years, the United States including Arizona has gone on Daylight Saving time in both World War 1 and World War 2, but then gone off after the wars were over. In , a more permanent federal law was enacted to help with the oil shortages of that time. These locations returned to PST again.
The next year, Arizona joined the rest of the country for War Time from March 30 to October 26, But, on January 1, when most of Arizona returned to MST, the western border communities remained on Pacific War Time, while railroads, airlines, bus lines, military personnel, and interstate commerce continued to use Mountain War Time in line with a federal law.
Federal offices and departments were exempt from the law. Since this law was an emergency measure, it became effective as soon as it was signed. There is some uncertainty as to what happened next, but it seems that most of Arizona moved to Mountain War Time equivalent to Mountain Daylight Time on March 17, , even though the law indicates that the state was to remain on Mountain Standard Time until April 1, , before changing to Mountain War Time.
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