What time zone is Chicago in?
Chicago uses the IANA time zone America/Chicago. Its current offset is UTC−5.
World / United States / Chicago
Current time in
Chicago
6:5832
Wednesday, 29 July 2026GMT-5 · UTC−5
Useful context
Understanding Chicago time
When is a good time to call?
Aim for 09:00–17:00 in Chicago. Open a converter above to see how that working window lands in another city.
Does Chicago change its clocks?
Chicago changes seasonally: the offset is UTC−6 in January and UTC−5 in July. Always use the date of the call rather than assuming today’s gap.