Time in Chicago, United States
Chicago, United States is on Central Time (CDT): UTC−5 on Oct 23, 2026. It uses UTC−6 in winter and UTC−5 in summer; the next change is Nov 1, 2026.
Daylight saving time in Chicago
- Nov 1, 2026: clocks go back 1 hour at 2:00 AM (UTC−5 → UTC−6)
- Mar 14, 2027: clocks go forward 1 hour at 2:00 AM (UTC−6 → UTC−5)
Chicago business hours around the world
9 AM to 5 PM in Chicago is 2:00 PM–10:00 PM UTC on Oct 23, 2026.
| City | Difference | 9:00 AM in Chicago is |
|---|---|---|
| New York | 1 hour ahead | 10:00 AM |
| Los Angeles | 2 hours behind | 7:00 AM |
| London | 6 hours ahead | 3:00 PM |
| Paris | 7 hours ahead | 4:00 PM |
| Mumbai | 10 hours 30 minutes ahead | 7:30 PM |
| Singapore | 13 hours ahead | 10:00 PM |
| Tokyo | 14 hours ahead | 11:00 PM |
| Sydney | 16 hours ahead | 1:00 AM (next day) |
Convert CST (Chicago) to other zones
- CST to EST
- CST to MST
- CST to PST
- CST to UTC
- CST to GMT
- CST to CET
- CST to IST
- CST to SGT
- CST to JST
- CST to AEST
Questions
What time zone is Chicago in?
Chicago uses the IANA time zone America/Chicago, known as Central Time (CST/CDT). It is UTC−6 in winter and UTC−5 in summer.
Does Chicago observe daylight saving time?
Yes. Nov 1, 2026: clocks go back 1 hour at 2:00 AM (UTC−5 → UTC−6). Mar 14, 2027: clocks go forward 1 hour at 2:00 AM (UTC−6 → UTC−5).
What is the time difference between Chicago and New York?
On Oct 23, 2026, New York is 1 hour ahead of Chicago. 9:00 AM in Chicago is 10:00 AM in New York.
What are business hours in Chicago in UTC?
On Oct 23, 2026, 9 AM to 5 PM in Chicago is 2:00 PM–10:00 PM UTC.
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Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.