Current time in Illinois, United States

· week 43 · day 294/365

Sun today ↑ 07:10 ↓ 18:01 (10 hours 51 minutes)CDTUTC-5Daylight saving time is active

Time zone
CDT
UTC now
UTC−5
Next change
Calling code
+1
Cities listed
167

Time difference with your location

Illinois is 5 hours behind UTC. Compare with your local time →

Illinois time now

Time zone of Illinois

Illinois (United States) is on Central Time (CDT, UTC−5). Next clock change: Nov 1, 2026, UTC−5 → UTC−6.

IANA time zone: America/Chicago

Major cities in Illinois

The 30 most populous cities, with boroughs and urban districts merged into their city.

LocationPopulation
Chicago2,664,452
Aurora200,661
Rockford148,278
Joliet147,861
Naperville147,100
Peoria115,070
Springfield114,394
North Peoria113,004
Elgin112,111
Waukegan88,475
LocationPopulation
Champaign86,096
Bloomington78,292
Arlington Heights75,926
Evanston75,527
Schaumburg74,693
Bolingbrook74,306
Decatur73,254
Palatine69,308
Skokie64,821
Des Plaines58,677
LocationPopulation
Orland Park58,619
Tinley Park57,143
Mount Prospect54,747
Normal54,373
Wheaton53,715
Hoffman Estates52,138
Downers Grove49,732
Glenview47,446
Elmhurst45,957
DeKalb43,211

Time difference with world cities · Illinois

Current local times, including each location’s current daylight saving offset.

LocationTimeDifference
Los Angeles ☀PDT
−2h
Mexico City CST
−1h
Washington D.C. ☀EDT
+1h
London ☀BST
+6h
Abuja WAT
+6h
Dublin ☀IST
+6h
Berlin ☀CEST
+7h
Madrid ☀CEST
+7h
Rome ☀CEST
+7h
Paris ☀CEST
+7h
Jerusalem ☀IDT
+8h
Riyadh AST
+8h
Ankara TRT
+8h
Dubai GST
+9h
New Delhi IST
+10h30m
Hanoi ICT
+12h
Bangkok ICT
+12h
Manila PHT
+13h
Beijing CST
+13h
Tokyo JST
+14h
Seoul KST
+14h
Canberra ☀AEDT
+16h
Sydney ☀AEDT
+16h
Wellington ☀NZDT
+18h

Quick time conversionIllinois ↔ UTC, EST, IST, CET

Each row is a full local hour. Zone columns use their named fixed offsets.

Illinois (CDT)CDT to UTCUTC+0CDT to ESTUTC-5CDT to ISTUTC+5:30CDT to CETUTC+1
00:0012:00 AM05:005:00 AM00:0012:00 AM10:3010:30 AM06:006:00 AM
01:001:00 AM06:006:00 AM01:001:00 AM11:3011:30 AM07:007:00 AM
02:002:00 AM07:007:00 AM02:002:00 AM12:3012:30 PM08:008:00 AM
03:003:00 AM08:008:00 AM03:003:00 AM13:301:30 PM09:009:00 AM
04:004:00 AM09:009:00 AM04:004:00 AM14:302:30 PM10:0010:00 AM
05:005:00 AM10:0010:00 AM05:005:00 AM15:303:30 PM11:0011:00 AM
06:006:00 AM11:0011:00 AM06:006:00 AM16:304:30 PM12:0012:00 PM
07:007:00 AM12:0012:00 PM07:007:00 AM17:305:30 PM13:001:00 PM
08:008:00 AM13:001:00 PM08:008:00 AM18:306:30 PM14:002:00 PM
09:009:00 AM14:002:00 PM09:009:00 AM19:307:30 PM15:003:00 PM
10:0010:00 AM15:003:00 PM10:0010:00 AM20:308:30 PM16:004:00 PM
11:0011:00 AM16:004:00 PM11:0011:00 AM21:309:30 PM17:005:00 PM
Illinois (CDT)UTCUTC+0ESTUTC-5ISTUTC+5:30CETUTC+1
12:0012:00 PM17:005:00 PM12:0012:00 PM22:3010:30 PM18:006:00 PM
13:001:00 PM18:006:00 PM13:001:00 PM23:3011:30 PM19:007:00 PM
14:002:00 PM19:007:00 PM14:002:00 PM00:3012:30 AM+1day20:008:00 PM
15:003:00 PM20:008:00 PM15:003:00 PM01:301:30 AM+1day21:009:00 PM
16:004:00 PM21:009:00 PM16:004:00 PM02:302:30 AM+1day22:0010:00 PM
17:005:00 PM22:0010:00 PM17:005:00 PM03:303:30 AM+1day23:0011:00 PM
18:006:00 PM23:0011:00 PM18:006:00 PM04:304:30 AM+1day00:0012:00 AM+1day
19:007:00 PM00:0012:00 AM+1day19:007:00 PM05:305:30 AM+1day01:001:00 AM+1day
20:008:00 PM01:001:00 AM+1day20:008:00 PM06:306:30 AM+1day02:002:00 AM+1day
21:009:00 PM02:002:00 AM+1day21:009:00 PM07:307:30 AM+1day03:003:00 AM+1day
22:0010:00 PM03:003:00 AM+1day22:0010:00 PM08:308:30 AM+1day04:004:00 AM+1day
23:0011:00 PM04:004:00 AM+1day23:0011:00 PM09:309:30 AM+1day05:005:00 AM+1day

The difference can change when daylight saving time starts or ends.

Illinois at a glance

Country
United States
Largest city
Chicago
Time zones
CDT
Cities listed
167
Population
10,638,254(sum of listed cities)

Frequently asked questions

What time zone is Illinois in?

Illinois is on Central Time (CDT), currently UTC−5.

Does Illinois observe daylight saving time?

Yes. The next change is on Nov 1, 2026: clocks go from UTC−5 to UTC−6.

What is the largest city in Illinois?

Chicago is the largest city in Illinois, with a population of 2,664,452.

What is the time difference between Illinois and Washington D.C.?

Illinois is 1 hour behind Washington D.C.