Time difference between Oro Valley and Chicago
Chicago is 2 hours ahead of Oro Valley.
Local time in both cities
Oro Valley · United States
19:03
Chicago · United States
21:03
Chicago is 2 hours ahead of Oro Valley.
same day
Time zones
| Oro Valley | America/Phoenix · UTC-07:00 |
|---|---|
| Chicago | America/Chicago · UTC-05:00 |
Oro Valley does not observe daylight saving and stays on UTC-07:00 all year.
Chicago is currently on daylight saving time (UTC-05:00). Next change: 2026-11-01 01:00.
Hour-by-hour conversion
Calculated for 2026-09-20 local time in Oro Valley. The two places start and end daylight saving on different dates, so another day can give a different result.
| Oro Valley (source) | Chicago (target) |
|---|---|
| 00:00 | 02:00 |
| 01:00 | 03:00 |
| 02:00 | 04:00 |
| 03:00 | 05:00 |
| 04:00 | 06:00 |
| 05:00 | 07:00 |
| 06:00 | 08:00 |
| 07:00 | 09:00 |
| 08:00 | 10:00 |
| 09:00 | 11:00 |
| 10:00 | 12:00 |
| 11:00 | 13:00 |
| 12:00 | 14:00 |
| 13:00 | 15:00 |
| 14:00 | 16:00 |
| 15:00 | 17:00 |
| 16:00 | 18:00 |
| 17:00 | 19:00 |
| 18:00 | 20:00 |
| 19:00 | 21:00 |
| 20:00 | 22:00 |
| 21:00 | 23:00 |
| 22:00 | 00:00 next day |
| 23:00 | 01:00 next day |
Other common differences from Oro Valley
FAQ
- How many hours apart are Oro Valley and Chicago right now?
- The answer at the top of the page is calculated for the current moment and states which side is ahead. The gap changes during the year, because the two places usually start and end daylight saving on different dates.
- Is this difference the same all year?
- Not necessarily. Oro Valley uses America/Phoenix and Chicago uses America/Chicago; if either observes daylight saving, the gap shifts during the year. Use “Convert a specific date and time” below to calculate it for a given day.
- How do I read the conversion table?
- The left column lists each whole hour in Oro Valley; the right column is the local time in Chicago at that same instant, with date rollovers marked. On the day clocks jump forward, some hours do not exist locally — the table says so instead of showing a plausible but wrong value.