AndTheLambGoesBAA said:
Like SB, Btown and TH were also in the central zone until 1967. Indpls was moved to eastern in 1961.
Terre Haute & South Bend, yes, but Bloomington was always on the same time as Indy. And I think the time zone change was before 1961. I don't remember ever having to change a clock for daylight time.
Check
this TV Guide from December 1958, where the times are shown in Eastern Standard (actually, "Central Daylight" as indicated on the
next page) Time, with Central Standard Time in parentheses. IIRC, only Terre Haute and Champaign needed CST.