Chicago, United States
Sat, Jul 4, 2026 09:37
- Timezone
- America/Chicago
- UTC offset
- UTC-05:00
- Daylight saving
- Yes
Compare Chicago vs Mexico City time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Mexico City is ahead of or behind Chicago.
Current time difference
Sat, Jul 4, 2026 09:37
Sat, Jul 4, 2026 08:37
Time difference
Mexico City is 1 hour behind Chicago
UTC offset difference
-01:00
Suggested call window
Sat, Jul 4, 10:00-19:00 / Sat, Jul 4, 09:00-18:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
The difference changes during 2026 because Chicago changes UTC offset during the year and Mexico City keeps a fixed UTC offset. Jan 1-Mar 7: Chicago and Mexico City have a 0-hour time difference; Mar 8-Oct 31: Chicago is 1 hour ahead of Mexico City; Nov 1-Dec 31: Chicago and Mexico City have a 0-hour time difference.
UTC-05:00 · Seasonal clock changes; DST is active now
UTC-06:00 · No seasonal offset change detected
Business Call Window
Both 09:00-18:00 workdays overlap. A practical window is 10:00-18:00 in Chicago, which is 09:00-17:00 in Mexico City.
Chicago: 10:00-18:00
Mexico City: 09:00-17:00
24-Hour Conversion Table
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| Chicago | Mexico City |
|---|---|
| 00:00 | 23:00 (previous day) |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Chicago is 1 hour ahead of Mexico City. This uses the active IANA timezone offsets for today.
The difference changes during 2026 because Chicago changes UTC offset during the year and Mexico City keeps a fixed UTC offset. Jan 1-Mar 7: Chicago and Mexico City have a 0-hour time difference; Mar 8-Oct 31: Chicago is 1 hour ahead of Mexico City; Nov 1-Dec 31: Chicago and Mexico City have a 0-hour time difference.
Chicago is currently UTC-05:00; Mexico City is currently UTC-06:00.
Travelers from Chicago to Mexico City move their clock back by 1 hour.
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