Current Time in Chicago
United States · CST/CDT · UTC-6:00 / UTC-5:00 (DST)
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America/Chicago
Timezone Details
| Timezone | CST/CDT |
| UTC Offset (standard) | UTC-6:00 |
| UTC Offset (summer/DST) | UTC-5:00 |
| Daylight Saving Time | Yes (observed) |
| IANA Timezone ID | America/Chicago |
| Country |  United States |
| Population | 2.7 million |
Live Time Comparison
All times update every second
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| London (GMT/BST) | --:--:-- |
| New York (EST/EDT) | --:--:-- |
| Dubai (GST) | --:--:-- |
| Tokyo (JST) | --:--:-- |
| Sydney (AEST) | --:--:-- |
| Beijing (CST) | --:--:-- |
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About Chicago Time Zone (CST/CDT)
Chicago, the third-largest city in the US, is on Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Chicago is 1 hour behind New York and 2 hours ahead of Los Angeles.
Key fact: Chicago is 1 hour behind New York (EST) and 6 hours behind London (GMT) in winter.
Use the live clock at the top of this page to see the exact current time in Chicago with seconds. The clock updates every second and uses your browser's timezone database for accuracy.
✈ Flight Time to Chicago
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Chicago, United States
Frequently Asked Questions — Chicago Time
What time is it in Chicago right now? +
The current time in Chicago, United States is displayed by the live clock at the top of this page. Chicago is in the CST/CDT timezone (UTC-6:00 in winter, UTC-5:00 in summer).
What timezone is Chicago in? +
Chicago is in the CST/CDT timezone. The IANA timezone identifier is
America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.Does Chicago observe Daylight Saving Time? +
Yes, Chicago observes Daylight Saving Time (DST). Clocks are set forward in spring and back in autumn. In winter, the UTC offset is -6:00; in summer it is -5:00.
What is the UTC offset for Chicago? +
Chicago's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.
What is the time difference between Chicago and London? +
Chicago (CST/CDT) is UTC-6:00. London (GMT/BST) is UTC+0 in winter and UTC+1 in summer. Chicago is 1 hour behind New York (EST) and 6 hours behind London (GMT) in winter.
How do I convert Chicago time to UTC? +
To convert Chicago time to UTC, subtract UTC-6:00 from the local time. For example, if it is 15:00 in Chicago and the UTC offset is UTC-6:00, you calculate backward to find the UTC equivalent. Use the conversion table on this page for real-time values.
What continent is Chicago in? +
Chicago is located in North America. It is the 2.7 million population city in United States.
What is the IANA timezone name for Chicago? +
The IANA (Internet Assigned Numbers Authority) timezone database identifier for Chicago is
America/Chicago. This is the official timezone name used in programming languages and operating systems.
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