Current Time in Chicago, United States 🇺🇸
The current local time in Chicago, United States is 08:21:00 (CDT) on Monday, 20 July 2026. Chicago is currently on daylight saving time. The city has a population of about 2,696,555. The sun rises at about 05:33 and sets at 20:21 today (14h 48m of daylight).
- Sunrise 05:33
- Sunset 20:21
- 14h 48m daylight
Time zone & daylight saving in Chicago
Chicago, United States keeps CDT (UTC-05:00). It observes daylight saving time, so the clocks move one hour twice a year - Chicago is on summer (DST) time right now. See our guide to daylight saving time.
Today the sun rises at about 05:33 and sets at about 20:21 local time, giving Chicago 14h 48m of daylight.
Right now it is 08:21 on Monday in Chicago (UTC-05:00). When it is 08:21 here, it is 09:21 in New York (1h ahead), so a quick look at the world clock beats doing the math in your head before a call.
Need a reminder on Chicago time rather than your own clock? A browser alarm handles that as long as the tab stays open and the device is awake - here is how an online alarm clock works.
Quick scheduling notes for Chicago
- Use the America/Chicago IANA zone when you need the exact rule set for software, calendars, or travel planning.
- Daylight saving is active now, so compare the current UTC offset before booking calls.
- For a future call, use the time zone converter and then set a matching online alarm.
Time difference from Chicago to major cities
| City | Current time | Difference |
|---|---|---|
| New York | 09:21 Mon | 1h ahead |
| Los Angeles | 06:21 Mon | 2h behind |
| London | 14:21 Mon | 6h ahead |
| Paris | 15:21 Mon | 7h ahead |
| Dubai | 17:21 Mon | 9h ahead |
| Mumbai | 18:51 Mon | 10.5h ahead |
| Singapore | 21:21 Mon | 13h ahead |
| Tokyo | 22:21 Mon | 14h ahead |
| Sydney | 23:21 Mon | 15h ahead |
Best next checks from Chicago
Compare Chicago with nearby business hubs, then follow the city links above for live local clocks. You can also browse more time pages for United States.
Business-hours overlap from Chicago
For a normal business-hours call, 09:00-16:00 in Chicago overlaps with 10:00-17:00 in New York.
| Compare with | Chicago time | Other city time | Overlap |
|---|---|---|---|
| New York | 09:00-16:00 | 10:00-17:00 | 7 hours |
| Los Angeles | 11:00-17:00 | 09:00-15:00 | 6 hours |
| London | 09:00-11:00 | 15:00-17:00 | 2 hours |
| Paris | 09:00-10:00 | 16:00-17:00 | 1 hour |
| Dubai | - | - | No standard 09:00-17:00 overlap |
Simple meeting rule
Pick a slot that lands inside both workdays, then confirm the date again if the meeting is near a daylight saving change.
Chicago time - Frequently asked questions
What time zone is Chicago in?
Chicago uses CDT (UTC-05:00). During part of the year it switches to daylight saving time, moving the clocks forward one hour.
Does Chicago observe daylight saving time?
Yes - Clocks go forward an hour in spring and back an hour in autumn, so the local offset changes twice a year.
What time are sunrise and sunset in Chicago today?
Today the sun rises around 05:33 and sets around 20:21 in Chicago, about 14h 48m of daylight.
What is the time difference between Chicago and other cities?
When it is 08:21 in Chicago, it is 09:21 in New York (1h ahead). See the table above for Chicago's difference from other major cities.
How Alarm.now calculates time in Chicago
Live clock source
The clock uses the current time with the America/Chicago IANA time zone, then updates in your browser every second. Country context comes from the United States time page.
Local entity signals for Chicago
These facts help separate this city page from a generic clock page: the place, country, coordinates, time-zone rule set, and daylight context are all tied to Chicago.
| Country | United States |
|---|---|
| IANA zone | America/Chicago (UTC−06:00) |
| Coordinates | 41.85, -87.65 |
| Population signal | About 2,696,555 people |
| Today's daylight | Sunrise 05:33, sunset 20:21, 14h 48m total daylight |
Best internal links from this city
Start with this live city clock, then move to the exact America/Chicago time-zone page for rules, the United States country page for nearby cities, and the time zone converter for future dates.
Future-date checks
For future meetings, compare the city time with the time zone converter because daylight saving changes can shift the offset on a later date.
Lat/Long: 41.85° N, 87.65° W
Population: 2,696,555
Country: 🇺🇸 United States
Timezone: CST
Daylight Saving Time: Yes ✅ (Abbreviation: CDT)
Standard Timezone Abbreviations used in United States: AKST, CST, EST, HST, MST, PST
Daylight Saving Timezone Abbreviations used in United States: AKDT, CDT, EDT, HDT, MDT, PDT