Time difference between Chicago and Atotonilco de Tula
Atotonilco de Tula is 1 hours behind Chicago.
Local time in both cities
Chicago · United States
14:40
United StatesAtotonilco de Tula · Mexico
13:40
MexicoAtotonilco de Tula is 1 hours behind Chicago.
same day
Time zones
| Chicago | America/Chicago · UTC-05:00 |
|---|---|
| Atotonilco de Tula | America/Mexico_City · UTC-06:00 |
Chicago is currently on daylight saving time (UTC-05:00). Next change: 2026-11-01 01:00.
Atotonilco de Tula does not observe daylight saving and stays on UTC-06:00 all year.
Hour-by-hour conversion
Calculated for 2026-09-21 local time in Chicago. The two places start and end daylight saving on different dates, so another day can give a different result.
| Chicago (source) | Atotonilco de Tula (target) |
|---|---|
| 00:00 | 23:00 prev day |
| 01:00 | 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 |
Other common differences from Chicago
FAQ
- How many hours apart are Chicago and Atotonilco de Tula 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. Chicago uses America/Chicago and Atotonilco de Tula uses America/Mexico_City; 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 Chicago; the right column is the local time in Atotonilco de Tula 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.