Illinois time zone
Central Time
Central Daylight Time (CDT)
IANA: America/Chicago · UTC−5
Daylight saving time in Illinois
In effect now
Next change: Sun 1 Nov, clocks go back 1 hour (02:00 → 01:00)
Sunrise and sunset in Chicago today
Sunrise 06:53 · Sunset 18:22
Daylight 11h 29m · Solar noon 12:37
Where Chicago is
Chicago, Illinois, United States 🇺🇸
41.8500° N, 87.6500° W · pop. 2,664,452
Time in Illinois vs major world cities
| City | Local time | Difference from Illinois |
|---|
| New York | Thu | 1 hour ahead |
| Los Angeles | Thu | 2 hours behind |
| London | Thu | 6 hours ahead |
| Paris | Thu | 7 hours ahead |
| Dubai | Thu | 9 hours ahead |
| Mumbai | Fri | 10.5 hours ahead |
| Singapore | Fri | 13 hours ahead |
| Tokyo | Fri | 14 hours ahead |
| Sydney | Fri | 16 hours ahead |
| Johannesburg | Thu | 7 hours ahead |
| São Paulo | Thu | 2 hours ahead |
What time zone is Illinois in?
Clocks in Illinois run on Central Time (CDT, UTC−5); software knows the zone as America/Chicago.
Does Illinois observe daylight saving time?
Yes. Illinois is on daylight saving time now. The next changes:
- Sunday 1 November 2026: clocks go back at 02:00 to 01:00 (CDT → CST)
- Sunday 14 March 2027: clocks go forward at 02:00 to 03:00 (CST → CDT)
- Sunday 7 November 2027: clocks go back at 02:00 to 01:00 (CDT → CST)
October 2026 calendar for Illinois
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Upcoming public holidays in United States
- Mon 12 Oct Columbus Day
- Wed 11 Nov Veterans Day
- Thu 26 Nov Thanksgiving Day
- Fri 25 Dec Christmas Day
- Fri 1 Jan New Year's Day
- Mon 18 Jan Martin Luther King Jr. Day
Other cities in Illinois
New YorkNew York
Los AngelesCalifornia
BrooklynNew York
QueensNew York
HoustonTexas
PhoenixArizona
PhiladelphiaPennsylvania
San AntonioTexas
ManhattanNew York
San DiegoCalifornia
The BronxNew York
DallasTexas
Frequently asked questions about Illinois
What time zone is Illinois in?
Central Time (CDT), UTC−5; IANA zone America/Chicago.
When do the clocks change in Illinois?
Next on Sunday 1 November 2026, when clocks go back from 02:00 to 01:00.