Mexico City and London working-hours overlap
On Monday, 28 September 2026, Mexico City is 7 hours behind London — UTC-06:00 against UTC+01:00. Their working hours overlap for 1 hour that day, between 15:00–16:00 UTC — 09:00–10:00 in Mexico City and 16:00–17:00 in London. Mexico City does not change clocks at all. London changes clocks on Sunday, 25 October 2026, and the gap between them goes from 7 hours to 6 hours.
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 15:00–16:00 UTC — 1 hour.
| City | Local time | Offset |
|---|---|---|
| Mexico City | 09:00–10:00 | UTC-06:00 |
| London | 16:00–17:00 | UTC+01:00 |
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 |
| London | 09:00–17:00 | 08:00–16:00 UTC | UTC+01:00 | UTC+01:00 → UTC+00:00, 25 Oct 2026 |
How the shared window moves through the year
London changes clocks on Sunday, 25 October 2026, and Mexico City never does, so the gap between them moves only when London'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 | 15:00–16:00 UTC | 1 hour |
| 2026-11 | 15:00–17:00 UTC | 2 hours |
| 2026-12 | 15:00–17:00 UTC | 2 hours |
| 2027-01 | 15:00–17:00 UTC | 2 hours |
| 2027-02 | 15:00–17:00 UTC | 2 hours |
| 2027-03 | 15:00–17:00 UTC | 2 hours |
| 2027-04 | 15:00–16:00 UTC | 1 hour |
| 2027-05 | 15:00–16:00 UTC | 1 hour |
| 2027-06 | 15:00–16:00 UTC | 1 hour |
| 2027-07 | 15:00–16:00 UTC | 1 hour |
| 2027-08 | 15:00–16:00 UTC | 1 hour |
| 2027-09 | 15:00–16:00 UTC | 1 hour |
Questions
- What time can Mexico City and London meet?
- 15:00–16:00 UTC on Monday, 28 September 2026 — 1 hour. In Mexico City that is 09:00–10:00, and in London it is 16:00–17:00.
- How far apart are Mexico City and London?
- On Monday, 28 September 2026, Mexico City is 7 hours behind London — UTC-06:00 against UTC+01:00. Mexico City does not change clocks at all. London changes clocks on Sunday, 25 October 2026, and the gap between them goes from 7 hours to 6 hours.
- Does the overlap between Mexico City and London change through the year?
- London changes clocks on Sunday, 25 October 2026, and Mexico City never does, so the gap between them moves only when London's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 15:00–16:00 UTC, 15:00–17:00 UTC.
Related city pairs
- Honolulu and Mexico City
- Honolulu and London
- San Francisco and Mexico City
- San Francisco and London
- Denver and Mexico City
- Denver and London
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.