Alton, IL to Mexico City: time difference
Mexico City is 1 h behind Alton, IL. 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.
Alton, IL 13:19 1:19 PM Mexico City 12:19 12:19 PM You –:–
13:19 1:19 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
12:19 12:19 PM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
·
−1 h
Mexico City is 1 h behind Alton, IL.
When you, Alton, IL and Mexico City are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Alton, IL
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
🇲🇽 Mexico City
23 11 PM 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
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Alton, IL | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 13:19 | 12:19 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Alton, IL | — | −1 h |
| IANA zone | America/Chicago | America/Mexico City |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 06:33 |
| Sunset | 18:17 | 18:11 |
| Daylight | 11 h 1 min | 11 h 38 min |
| People on this clock | 25,676 | 9,209,944 |
Compare Alton, IL with another city
More comparisons with Alton, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alton, IL and Mexico City: common questions
What is the time difference between Alton, IL, and Mexico City?
Mexico City is 1 hour behind: it uses UTC−6, while Alton is on UTC−5.
What time is it in Mexico City when it is 9:00 AM in Alton, IL?
When it is 9:00 AM in Alton, it is 8:00 AM in Mexico City.
What time is it in Mexico City when it is 6:00 PM in Alton, IL?
When it is 6:00 PM in Alton, it is 5:00 PM in Mexico City.
Is there a time when both Alton, IL, and Mexico City are at work?
Yes: from 10:00 AM to 6:00 PM in Alton (9:00 AM to 5:00 PM in Mexico City), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Mexico City compared with Alton, IL?
The new day starts in Mexico City later: until 1:00 AM in Alton, it is still the previous day there. From 11:00 PM in Mexico City, Alton is already on the next day.
Does the time gap between Alton, IL, and Mexico City change during the year?
Yes – daylight saving time is used in Alton but not in Mexico City. From November 1, 2026, Mexico City and Alton will have the same time.
