Time difference between Atotonilco de Tula and Chicago
Chicago is 1 hours ahead of Atotonilco de Tula.
Local time in both cities
Atotonilco de Tula · Mexico
01:15
Chicago · United States
02:15
Chicago is 1 hours ahead of Atotonilco de Tula.
same day
Time zones
| Atotonilco de Tula | America/Mexico_City · UTC-06:00 |
|---|---|
| Chicago | America/Chicago · UTC-05:00 |
Atotonilco de Tula does not observe daylight saving and stays on UTC-06:00 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 2026-09-21 local time in Atotonilco de Tula. The two places start and end daylight saving on different dates, so another day can give a different result.
| Atotonilco de Tula (source) | Chicago (target) |
|---|---|
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 next day |
Other common differences from Atotonilco de Tula
FAQ
- How many hours apart are Atotonilco de Tula 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. Atotonilco de Tula uses America/Mexico_City 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 Atotonilco de Tula; 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.