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Time in Indiana refers to the controversial time zone division of Indiana, and to the state's historical response to daylight saving time. The official dividing line between Eastern Time and Central Time has, over time, progressively moved west, from the Indiana–Ohio border, to a position where it divided Indiana down the middle, to the Indiana–Illinois border as it is today. Effective March 9, 2008, twelve counties in Indiana observe Central Time. These twelve counties are Jasper, Lake, La Porte, Newton, Porter, and Starke in the northwest, near Chicago, and Gibson, Perry, Posey, Spen...