Chicago, United States
Live local time, today's date, America/Chicago details, UTC offset and practical comparisons for Chicago.
Chicago time facts
These values are calculated for the current instant using America/Chicago.
- Time zone
- America/Chicago
- Abbreviation
- CDT
- UTC offset
- UTC-05:00
- Daylight saving
- Yes · Currently active
- Country
- United States
Sky times for Chicago
Calculated for Wednesday, September 16, 2026 at 41.8781, -87.6298. Horizon times are approximate and can vary with terrain and atmospheric conditions.
Waxing Crescent
24% illuminated · lunar age 4.9 days
Chicago across the day
Compare Chicago with major business centres. Hover or tap a column to follow one instant across every location.
Time difference from Chicago
Differences below use each location's current UTC offset and can change around daylight-saving transitions.
| City | Local time | Zone | Difference |
|---|---|---|---|
| London United Kingdom | 12:34 PM | BST · UTC+01:00 | London is 6 hours ahead Chicago |
| New York United States | 7:34 AM | EDT · UTC-04:00 | New York is 1 hour ahead Chicago |
| Dubai United Arab Emirates | 3:34 PM | +04 · UTC+04:00 | Dubai is 9 hours ahead Chicago |
| Singapore Singapore | 7:34 PM | +08 · UTC+08:00 | Singapore is 13 hours ahead Chicago |
| Tokyo Japan | 8:34 PM | JST · UTC+09:00 | Tokyo is 14 hours ahead Chicago |
| Sydney Australia | 9:34 PM | AEST · UTC+10:00 | Sydney is 15 hours ahead Chicago |
| Los Angeles United States | 4:34 AM | PDT · UTC-07:00 | Los Angeles is 2 hours behind Chicago |
Chicago time zone
- IANA identifier
- America/Chicago
- Current abbreviation
- CDT
- Current UTC offset
- UTC-05:00
- Offsets seen in 2026
- UTC-06:00, UTC-05:00
- Abbreviations seen in 2026
- CDT, CST
- Daylight saving in current year
- Observed
- Next clock change
- The next detected change is Sunday, November 1, 2026: clocks move back from CDT (UTC-05:00) to CST (UTC-06:00).
- Coordinates
- 41.8781, -87.6298
Time zone converter
Convert historical, current or future wall times between cities, IANA zones and UTC offsets.
Compare Chicago with
Related places and time zones
Chicago time questions
What time is it in Chicago right now?
The live clock at the top shows the current time in Chicago. At page generation it was 6:34 AM on Wednesday, September 16, 2026.
What time zone is Chicago in?
Chicago uses the IANA time zone America/Chicago. Its current abbreviation is CDT.
What is Chicago's UTC offset?
The current UTC offset is UTC-05:00. The offset shown is calculated for the current instant rather than hardcoded.
Does Chicago observe daylight saving time?
Yes. This zone has more than one offset in the current year.
What is the time difference between Chicago and London?
At this moment London is 6 hours ahead Chicago. The difference may change when daylight-saving rules change.
