Wisconsin Time Zone Map
Central Time, statewide.
Time zones in Wisconsin
| Zone | IANA | Standard | Daylight | Abbr |
|---|---|---|---|---|
| Central Time | America/Chicago | UTC−6 | UTC−5 | CST / CDT |
Wisconsin is Central Time statewide (CST/CDT, UTC−6 in winter, UTC−5 in summer), with no Eastern areas; its city Milwaukee follows the same clock.
Crossing the state line
The four Upper Peninsula counties of Michigan along the Wisconsin line — Gogebic, Iron, Dickinson, and Menominee — match Wisconsin’s Central Time; the rest of Michigan, including Marquette, is Eastern. Minnesota, Iowa, and Illinois are Central too.
Frequently asked questions
Which zone does Wisconsin follow?
Wisconsin is Central Time, statewide.
Is Wisconsin in a single time zone?
Yes — Wisconsin is wholly inside Central Time.
What time zone is Milwaukee in?
Milwaukee is on Central Time (CST / CDT — UTC−6 in winter, UTC−5 in summer, IANA zone America/Chicago).
Sources: zone boundaries from the U.S. Department of Transportation’s time zone regulations (49 CFR Part 71); offsets and daylight saving rules from the IANA time zone database. See Data Sources for how this site uses them.