Time
Wisconsin is in the Central Time Zone, as are all neighboring states except Michigan, which is in the Eastern Time Zone with the exception of a small portion of the Upper Penn. which borders Wisconsin also in the central time zone.
Talk
Wisconsinites speak with a dry Midwestern accent and tend to emphasize their vowels. Perfect examples include the words "roof" and "Wisconsin"!
People in the state commonly refer to a drinking fountain as a "bubbler". Also note that unlike most of the Midwest, Wisconsinites in the eastern part of the state especially the Milwaukee area refer to soft drinks as "soda" rather than "pop".
It's common for people in many parts of the state to refer to ATM's as "Tyme Machines" named for what was the most common type of ATM in numerous areas meaning Take Your Money Everywhere. Most people in the state also tend to refer to parking garages as "parking ramps".