Time in Chicago now:
Timezone
Atomic clock accuracy
Difference from your location
Chicago is the same time as you
Sun
Moon
Geography
Time difference from Chicago
| City | Local time | Difference |
|---|
Working hours overlap
9–17 in Chicago vs UTC
Time converter
Type 9am, 21:00, noon, 9am tomorrow, or in 3 hours.
Next 14 days
Upcoming public holidays
- Veterans Day11 Nov 2026
- Thanksgiving Day26 Nov 2026
- Day after Thanksgiving Day27 Nov 2026
- Christmas Eve24 Dec 2026
- Christmas Day25 Dec 2026
Weather
Cities sharing this timezone
Climate & seasons
About Chicago
Home to roughly 2,693,976 residents, Chicago is a large regional centre in United States. The city sits at 181 m above sea level, close to sea level, with maritime influence on its weather.
For computers and clocks, Chicago is anchored to the America/Chicago time zone, which encodes the city's daylight saving rules going back to the early 20th century. Lying in the northern hemisphere within the temperate belt, the city experiences a daylight pattern and seasonal arc characteristic of its latitude (41.88°).
Locally, prices are quoted in USD and the international dialing code is +1. This page exposes Chicago's exact local time alongside sunrise, sunset, public holidays, and a structured-data feed at the JSON link below — useful for spreadsheets, scheduling tools, and AI assistants alike.
Nearest major cities
Cities in the same timezone
Questions about time in Chicago
The current local time in Chicago, United States is shown live at the top of this page, synchronized to atomic time to the millisecond.
Chicago uses the IANA time zone America/Chicago, currently UTC−6.
Whether Chicago observes daylight saving time and the date of the next clock change are shown in the Timezone block above. The IANA database (America/Chicago) is the source of truth.
Chicago is currently 1 hour behind New York.
Chicago is currently 6 hours behind London.
Sunrise, sunset, solar noon, and civil/nautical/astronomical twilight times for Chicago are listed in the Sun section above, computed from the city's coordinates (41.8781, -87.6298).
United States uses the USD currency and the +1 international dialing code.
Chicago sits at 41.8781° N, 87.6298° W, 181 m above sea level, in United States.