<Li> divides Kentucky in half roughly along a line that is west of Louisville, Kentucky running from northwest to southeast . </Li> <Li> divides the region legally defined as East Tennessee, except for four counties adjoining Middle Tennessee, from the rest of Tennessee . </Li> <Li> follows the border between Alabama (west) and Georgia (east), although Phenix City, Alabama and some nearby towns unofficially observe Eastern Time . </Li> <Li> divides the Florida Panhandle along the Apalachicola River and Intracoastal Waterway just west of Tallahassee, Florida . </Li>

The united states and canada are divided into the following five time zones