Mexico City and Chicago working-hours overlap
On Monday, 28 September 2026, Mexico City is 1 hour behind Chicago — UTC-06:00 against UTC-05:00. Their working hours overlap for 7 hours that day, between 15:00–22:00 UTC — 09:00–16:00 in Mexico City and 10:00–17:00 in Chicago. Mexico City does not change clocks at all. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 1 hour to nothing at all.
Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.
Shared working hours
Everyone is at work between 15:00–22:00 UTC — 7 hours.
| City | Local time | Offset |
|---|---|---|
| Mexico City | 09:00–16:00 | UTC-06:00 |
| Chicago | 10:00–17:00 | UTC-05:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Mexico City | 09:00–17:00 | 15:00–23:00 UTC | UTC-06:00 | No daylight saving |
| Chicago | 09:00–17:00 | 14:00–22:00 UTC | UTC-05:00 | UTC-05:00 → UTC-06:00, 1 Nov 2026 |
How the shared window moves through the year
Chicago changes clocks on Sunday, 1 November 2026, and Mexico City never does, so the gap between them moves only when Chicago's clocks do. Each row is the same pair of working days, sampled once a month, so the window's size and position follow the clock changes described above.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | 15:00–22:00 UTC | 7 hours |
| 2026-11 | 15:00–23:00 UTC | 8 hours |
| 2026-12 | 15:00–23:00 UTC | 8 hours |
| 2027-01 | 15:00–23:00 UTC | 8 hours |
| 2027-02 | 15:00–23:00 UTC | 8 hours |
| 2027-03 | 15:00–22:00 UTC | 7 hours |
| 2027-04 | 15:00–22:00 UTC | 7 hours |
| 2027-05 | 15:00–22:00 UTC | 7 hours |
| 2027-06 | 15:00–22:00 UTC | 7 hours |
| 2027-07 | 15:00–22:00 UTC | 7 hours |
| 2027-08 | 15:00–22:00 UTC | 7 hours |
| 2027-09 | 15:00–22:00 UTC | 7 hours |
Questions
- What time can Mexico City and Chicago meet?
- 15:00–22:00 UTC on Monday, 28 September 2026 — 7 hours. In Mexico City that is 09:00–16:00, and in Chicago it is 10:00–17:00.
- How far apart are Mexico City and Chicago?
- On Monday, 28 September 2026, Mexico City is 1 hour behind Chicago — UTC-06:00 against UTC-05:00. Mexico City does not change clocks at all. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 1 hour to nothing at all.
- Does the overlap between Mexico City and Chicago change through the year?
- Chicago changes clocks on Sunday, 1 November 2026, and Mexico City never does, so the gap between them moves only when Chicago's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 15:00–22:00 UTC, 15:00–23:00 UTC.
Related city pairs
- Honolulu and Mexico City
- Honolulu and Chicago
- San Francisco and Mexico City
- San Francisco and Chicago
- Denver and Mexico City
- Denver and Chicago
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.