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Which U.S. states have more than one time zone?

Fourteen states have more than one time zone: Alaska, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee, and Texas. In addition, Arizona is technically only in the Mountain time zone, but much of the state is aligned with Pacific Time for a number of months each year. This is because the majority of the state does not follow Daylight Saving Time (DST). Hawaii, which is in the Hawaii-Aleutian time zone, also does not observe DST. During those months it remains on Hawaii-Aleutian Standard Time while the Aleutian Islands follow Hawaii-Aleutian Daylight Time.