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As daylight saving time approaches the government works to calculate what time it really is

It's daylight saving time tomorrow night, which means most Americans are begrudgingly preparing to set their clocks forward an hour. Changing the clock is a twice-yearly ritual from coast-to-coast, but it might surprise you to know that the U.S. government is still trying to figure out exactly what time it should be. Scott MacFarlane explains.
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