“Daylight Saving Time: A Look Back at “Springing Forward”
Most people living in United States will set their clocks ahead one hour on Sunday, which marks the official start of nearly seven months of daylight saving time.
However, residents of Arizona, Hawaii, and parts of eastern Indiana—along with the U.S. territories of Puerto Rico and the Virgin Islands, among others—won’t “spring forward.” Those locales will continue to observe standard time within their particular time zones.
So how do some folks get away with sticking to their clocks? Contrary to popular belief, no federal rule mandates that states or territories make the switch.”
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Updated April 2, 2004
Photo: A craftsman restores the clock face of Big Ben in London, England. The United Kingdom will mark the start of daylight saving time on Sunday at 1 a.m., one hour earlier than most states and territories of the United States. Photograph by Bruce Dale, copyright National Geographic Society