Mexico City zone
CST (GMT-6)
Chicago zone
CDT (GMT-5)
Difference
1 hour ahead of Mexico City
Business overlap
7h (9-5 windows)
Working hours overlap
Each cell is one hour in Mexico City. Filled cells mark when 9 AM – 5 PM in Mexico City and Chicago both apply.
7 hours per day
- Mexico City
- GMT-6
- Chicago
- GMT-5
- Difference
- +1h
- Business overlap
- 7h
Hour-by-hour conversion
Each row shows the matching local time in Chicago for an hour in Mexico City.
| Mexico City | Chicago | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 AM | same day | — |
| 1:00 AM | 2:00 AM | same day | — |
| 2:00 AM | 3:00 AM | same day | — |
| 3:00 AM | 4:00 AM | same day | — |
| 4:00 AM | 5:00 AM | same day | — |
| 5:00 AM | 6:00 AM | same day | — |
| 6:00 AM | 7:00 AM | same day | — |
| 7:00 AM | 8:00 AM | same day | — |
| 8:00 AM | 9:00 AM | same day | — |
| 9:00 AM | 10:00 AM | same day | Both 9-5 |
| 10:00 AM | 11:00 AM | same day | Both 9-5 |
| 11:00 AM | 12:00 PM | same day | Both 9-5 |
| 12:00 PM | 1:00 PM | same day | Both 9-5 |
| 1:00 PM | 2:00 PM | same day | Both 9-5 |
| 2:00 PM | 3:00 PM | same day | Both 9-5 |
| 3:00 PM | 4:00 PM | same day | Both 9-5 |
| 4:00 PM | 5:00 PM | same day | — |
| 5:00 PM | 6:00 PM | same day | — |
| 6:00 PM | 7:00 PM | same day | — |
| 7:00 PM | 8:00 PM | same day | — |
| 8:00 PM | 9:00 PM | same day | — |
| 9:00 PM | 10:00 PM | same day | — |
| 10:00 PM | 11:00 PM | same day | — |
| 11:00 PM | 12:00 AM | next day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 9:00 AM – 4:00 PM in Mexico City time. That gives you 7 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Mexico City time to Chicago time
Mexico City follows the America/Mexico_City time zone (currently CST, GMT-6), while Chicago follows America/Chicago (currently CDT, GMT-5). Chicago is 1 hour ahead of Mexico City right now.
Chicago observes daylight saving time, while Mexico City does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Mexico City
Does not observe daylight saving time.
Chicago
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Chicago to Mexico City
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More conversions from Mexico City
Frequently asked questions
- How many hours is Mexico City from Chicago?
- Chicago is 1 hour ahead of Mexico City right now.
- What time is 9:00 AM Mexico City in Chicago?
- 9:00 AM in Mexico City is 10:00 AM in Chicago.
- What time is 5:00 PM Mexico City in Chicago?
- 5:00 PM in Mexico City is 6:00 PM in Chicago.
- When do Mexico City and Chicago business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 7 hours, roughly from 9:00 AM to 4:00 PM in Mexico City time.
- Does daylight saving time change the difference between Mexico City and Chicago?
- Chicago observes daylight saving time while Mexico City does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Mexico City
Local time page
Time in Chicago