Phoenix and Chicago working-hours overlap
On Monday, 28 September 2026, Phoenix is 2 hours behind Chicago — UTC-07:00 against UTC-05:00. Their working hours overlap for 6 hours that day, between 16:00–22:00 UTC — 09:00–15:00 in Phoenix and 11:00–17:00 in Chicago. Phoenix does not change clocks at all. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 2 hours to 1 hour.
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 16:00–22:00 UTC — 6 hours.
| City | Local time | Offset |
|---|---|---|
| Phoenix | 09:00–15:00 | UTC-07:00 |
| Chicago | 11:00–17:00 | UTC-05:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Phoenix | 09:00–17:00 | 16:00–00:00 UTC | UTC-07:00 | 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 Phoenix 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 | 16:00–22:00 UTC | 6 hours |
| 2026-11 | 16:00–23:00 UTC | 7 hours |
| 2026-12 | 16:00–23:00 UTC | 7 hours |
| 2027-01 | 16:00–23:00 UTC | 7 hours |
| 2027-02 | 16:00–23:00 UTC | 7 hours |
| 2027-03 | 16:00–22:00 UTC | 6 hours |
| 2027-04 | 16:00–22:00 UTC | 6 hours |
| 2027-05 | 16:00–22:00 UTC | 6 hours |
| 2027-06 | 16:00–22:00 UTC | 6 hours |
| 2027-07 | 16:00–22:00 UTC | 6 hours |
| 2027-08 | 16:00–22:00 UTC | 6 hours |
| 2027-09 | 16:00–22:00 UTC | 6 hours |
Questions
- What time can Phoenix and Chicago meet?
- 16:00–22:00 UTC on Monday, 28 September 2026 — 6 hours. In Phoenix that is 09:00–15:00, and in Chicago it is 11:00–17:00.
- How far apart are Phoenix and Chicago?
- On Monday, 28 September 2026, Phoenix is 2 hours behind Chicago — UTC-07:00 against UTC-05:00. Phoenix does not change clocks at all. Chicago changes clocks on Sunday, 1 November 2026, and the gap between them goes from 2 hours to 1 hour.
- Does the overlap between Phoenix and Chicago change through the year?
- Chicago changes clocks on Sunday, 1 November 2026, and Phoenix 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 16:00–22:00 UTC, 16:00–23:00 UTC.
Related city pairs
- Honolulu and Phoenix
- Honolulu and Chicago
- San Francisco and Phoenix
- San Francisco and Chicago
- Denver and Phoenix
- Denver and Chicago
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.