Another real complexity was parts of Indiana, part of which is in Central, the rest in Eastern. At some point in the past, daylight savings time was chosen by c

Another real complexity was parts of Indiana, part of which is in Central, the rest in Eastern. At some point in the past, daylight savings time was chosen by county, and not well recorded. Thus, it is apparently difficult to precisely date local events. It may have also been that the dates of shifting to DST varied as well.