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does the united states still observe daylight savings time does the united states observe daylight savings time does the united states do daylight savings time is the united states still observing daylight savings time does the entire united states observe daylight savings time does the whole united states do daylight savings time does only the united states have daylight savings time why does the united states use daylight savings time does all of the united states observe daylight savings time when did the united states start observing daylight savings time
