<Table> <Tr> <Th> </Th> <Th> Standard </Th> <Th> DST </Th> <Th> US time zone </Th> </Tr> <Tr> <Td> Red and pink </Td> <Td> UTC − 06: 00 </Td> <Td> UTC − 05: 00 </Td> <Td> Central Time </Td> </Tr> <Tr> <Td> Other colors </Td> <Td> UTC − 05: 00 </Td> <Td> UTC − 04: 00 </Td> <Td> Eastern Time </Td> </Tr> </Table> <Tr> <Th> </Th> <Th> Standard </Th> <Th> DST </Th> <Th> US time zone </Th> </Tr> <Tr> <Td> Red and pink </Td> <Td> UTC − 06: 00 </Td> <Td> UTC − 05: 00 </Td> <Td> Central Time </Td> </Tr>

When did indiana switch to eastern time zone