Chicago and Lagos working-hours overlap
On Monday, 28 September 2026, Chicago is 6 hours behind Lagos — UTC-05:00 against UTC+01:00. Their working hours overlap for 2 hours that day, between 14:00–16:00 UTC — 09:00–11:00 in Chicago and 15:00–17:00 in Lagos. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 6 hours to 7 hours. Lagos does not change clocks 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 14:00–16:00 UTC — 2 hours.
| City | Local time | Offset |
|---|---|---|
| Chicago | 09:00–11:00 | UTC-05:00 |
| Lagos | 15:00–17:00 | UTC+01:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Chicago | 09:00–17:00 | 14:00–22:00 UTC | UTC-05:00 | UTC-05:00 → UTC-06:00, 1 Nov 2026 |
| Lagos | 09:00–17:00 | 08:00–16:00 UTC | UTC+01:00 | No daylight saving |
How the shared window moves through the year
Chicago changes clocks on Sunday, 1 November 2026, and Lagos 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 | 14:00–16:00 UTC | 2 hours |
| 2026-11 | 15:00–16:00 UTC | 1 hour |
| 2026-12 | 15:00–16:00 UTC | 1 hour |
| 2027-01 | 15:00–16:00 UTC | 1 hour |
| 2027-02 | 15:00–16:00 UTC | 1 hour |
| 2027-03 | 14:00–16:00 UTC | 2 hours |
| 2027-04 | 14:00–16:00 UTC | 2 hours |
| 2027-05 | 14:00–16:00 UTC | 2 hours |
| 2027-06 | 14:00–16:00 UTC | 2 hours |
| 2027-07 | 14:00–16:00 UTC | 2 hours |
| 2027-08 | 14:00–16:00 UTC | 2 hours |
| 2027-09 | 14:00–16:00 UTC | 2 hours |
Questions
- What time can Chicago and Lagos meet?
- 14:00–16:00 UTC on Monday, 28 September 2026 — 2 hours. In Chicago that is 09:00–11:00, and in Lagos it is 15:00–17:00.
- How far apart are Chicago and Lagos?
- On Monday, 28 September 2026, Chicago is 6 hours behind Lagos — UTC-05:00 against UTC+01:00. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 6 hours to 7 hours. Lagos does not change clocks at all.
- Does the overlap between Chicago and Lagos change through the year?
- Chicago changes clocks on Sunday, 1 November 2026, and Lagos 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 14:00–16:00 UTC, 15:00–16:00 UTC.
Related city pairs
- Honolulu and Chicago
- Honolulu and Lagos
- San Francisco and Chicago
- San Francisco and Lagos
- Denver and Chicago
- Denver and Lagos
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.