It’s an arbitrary and preternaturally vexing dividing line between Illinois on Central time and Michigan on Eastern time.

Alabama touches three states that observe Eastern Time: Georgia, Tennessee and a small portion of Florida. But inside Alabama's borders, does the time run on Eastern time as well? For residents and visitors alike, that border can be confusing. What time ...

Q. Is Chattanooga in the Eastern time zone? A. "Well, of course," Southeast Tennessee residents are probably saying to themselves. "Why are you asking such an obvious question?" For two reasons: No. 1, that wasn't always the case, and No. 2, for people ...