Time in Green Bay, United States

Time zone: CDT (UTC/GMT -05:00) — America/Chicago

Green Bay runs on CDT. That places it 5 hours behind UTC (UTC-05:00); in a calendar, server config or booking form, select America/Chicago.

One date to watch: Sunday, 01 November 2026. That is when Green Bay goes back 1 hour onto CST — recurring meetings set before then will land an hour out unless the calendar handles zones properly.

Bear in mind United States spans 10 zones across the 419 cities we cover — checking a second city in the same country is often necessary.

With a population near 105,207, Green Bay comes in 196th of the 212 United States cities we list.

How Green Bay lines up against other major centres at this moment — the numbers move when either side changes its clocks.

Assuming a 09:00–17:00 day at both ends, these windows (in Green Bay local time) fall inside working hours for both cities.

No shared working window exists with Dubai, Mumbai, Shanghai or Tokyo, so those calls have to sit outside somebody's normal hours.

No difference at all from Green Bay: the cities below share the America/Chicago zone.

Chicago San Antonio Fort Worth Oklahoma City New South Memphis Milwaukee Omaha Kansas City