<P> Indiana observes Eastern Time, except for twelve of its ninety - two counties, which observe Central Time . Six of these counties are in northwestern Indiana, near Chicago (which observes Central Time), and six are in southwestern Indiana, near Evansville, where the metro area includes portions of southeastern Illinois and western Kentucky, which also observe Central Time . The twelve counties are: </P> <Ul> <Li> Northwestern Indiana (Chicago - Gary metropolitan area): <Ul> <Li> Jasper </Li> <Li> Lake </Li> <Li> LaPorte </Li> <Li> Newton </Li> <Li> Porter </Li> <Li> Starke </Li> </Ul> </Li> <Li> Southwestern Indiana (Evansville Metro Area): <Ul> <Li> Gibson </Li> <Li> Perry </Li> <Li> Posey </Li> <Li> Spencer </Li> <Li> Vanderburgh </Li> <Li> Warrick </Li> </Ul> </Li> </Ul> <Li> Northwestern Indiana (Chicago - Gary metropolitan area): <Ul> <Li> Jasper </Li> <Li> Lake </Li> <Li> LaPorte </Li> <Li> Newton </Li> <Li> Porter </Li> <Li> Starke </Li> </Ul> </Li> <Ul> <Li> Jasper </Li> <Li> Lake </Li> <Li> LaPorte </Li> <Li> Newton </Li> <Li> Porter </Li> <Li> Starke </Li> </Ul>

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