Mexico City to Alton, IL: time difference
Alton, IL is 1 h ahead of Mexico City. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Mexico City 12:52 12:52 PM Alton, IL 13:52 1:52 PM You –:–
12:52 12:52 PM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
13:52 1:52 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
·
+1 h
Alton, IL is 1 h ahead of Mexico City.
When you, Mexico City and Alton, IL are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Mexico City
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Alton, IL
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 12:52 | 13:52 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Mexico City | — | +1 h |
| IANA zone | America/Mexico City | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:33 | 07:16 |
| Sunset | 18:11 | 18:17 |
| Daylight | 11 h 38 min | 11 h 1 min |
| People on this clock | 9,209,944 | 25,676 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and Alton, IL: common questions
How many hours ahead of Mexico City is Alton, IL?
The clocks in Alton are 1 hour ahead of those in Mexico City (UTC−5 and UTC−6).
What time is it in Alton, IL, when it is 9:00 AM in Mexico City?
When it is 9:00 AM in Mexico City, it is 10:00 AM in Alton.
What time is it in Alton, IL, when it is 6:00 PM in Mexico City?
When it is 6:00 PM in Mexico City, it is 7:00 PM in Alton.
Is there a time when both Mexico City and Alton, IL, are at work?
Yes: from 9:00 AM to 5:00 PM in Mexico City (10:00 AM to 6:00 PM in Alton), the working days (9:00 AM–6:00 PM) overlap.
From what time in Mexico City is it tomorrow in Alton, IL?
Once it is 11:00 PM in Mexico City, the date in Alton has already changed. Until 1:00 AM in Alton, it is still the previous day in Mexico City.
Does the time difference between Mexico City and Alton, IL, change?
Yes. The clocks change only in Alton. From November 1, 2026, Alton and Mexico City will have the same time.
