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. History Before 1883 Before 1883 in the United States, most towns and cities set their own local time to noon when the sun was at its highest point in the sky. Since the sun reaches "high noon" fo...