Where the America/Chicago time zone is used
Countries: 🇺🇸 United States.
Area covered: Central (most areas).
Also known in software as: US/Central.
Largest cities on America/Chicago
ChicagoIllinois
HoustonTexas
San AntonioTexas
DallasTexas
Fort WorthTexas
AustinTexas
NashvilleTennessee
Oklahoma CityOklahoma
MemphisTennessee
MilwaukeeWisconsin
OmahaNebraska
Kansas CityMissouri
America/Chicago time zone
Central Time
Central Daylight Time (CDT)
IANA: America/Chicago · UTC−5
Daylight saving time in America/Chicago
In effect now
Next change: Sun 1 Nov, clocks go back 1 hour (02:00 → 01:00)
Sunrise and sunset in America/Chicago today
Sunrise 06:45 · Sunset 18:34
Daylight 11h 48m · Solar noon 12:40
Time in America/Chicago vs major world cities
| City | Local time | Difference from America/Chicago |
|---|
| 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 | Thu | 10.5 hours ahead |
| Singapore | Fri | 13 hours ahead |
| Tokyo | Fri | 14 hours ahead |
| Sydney | Fri | 15 hours ahead |
| Johannesburg | Thu | 7 hours ahead |
| São Paulo | Thu | 2 hours ahead |
What time zone is America/Chicago in?
America/Chicago is on Central Time (CDT, UTC−5). The IANA identifier is America/Chicago.
Does America/Chicago observe daylight saving time?
Yes. America/Chicago 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)
America/Chicago in software and databases
Older software may still use US/Central; these are aliases of America/Chicago and give identical times.
Standard offset UTC−6, daylight saving offset UTC−5 (as of 2026).
October 2026 calendar for America/Chicago
| 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 | |
Frequently asked questions about America/Chicago
What time zone is America/Chicago in?
Central Time (CDT), UTC−5; IANA zone America/Chicago.
When do the clocks change in America/Chicago?
Next on Sunday 1 November 2026, when clocks go back from 02:00 to 01:00.