Would the United States be better off with only one time zone?

The economic mysteries of daily life.
Oct. 28 2006 7:16 AM

EST. CST. MST. PST. NOT!

Would the United States be better off with only one time zone?

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Correction, Oct. 30, 2006:There were two mistakes in the original article. First, the article originally implied that Arizona was in the Pacific time zone during daylight-saving time. Arizona remains in the Mountain time zone during daylight saving, but because it does not observe daylight saving, it is on the same clock as the Pacific states. Second, the article reversed the schedule for daylight-saving time. It occurs in the summer months, not in the winter months. (Return to the corrected sentence.)

Tim Harford is a Financial Times columnist. His latest book, The Logic of Life, will be published in paperback on Feb. 10.

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