Monterrey to Chicago, IL: time difference
Chicago, IL is 1 h ahead of Monterrey. 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.
Monterrey 03:05 3:05 AM Chicago, IL 04:05 4:05 AM You –:–
03:05 3:05 AM
Central Standard Time · UTC-6
☀️ 06:38 · 🌙 18:20
04:05 4:05 AM
Central Daylight Time · UTC-5
☀️ 06:58 · 🌙 18:19
·
+1 h
Chicago, IL is 1 h ahead of Monterrey.
When you, Monterrey and Chicago, 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
🇲🇽 Monterrey
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
🇺🇸 Chicago, 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 | 🇲🇽 Monterrey | 🇺🇸 Chicago, IL |
|---|---|---|
| Local time | 03:05 | 04:05 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:38 | 06:58 |
| Sunset | 18:20 | 18:19 |
| Daylight | 11 h 42 min | 11 h 21 min |
| People on this clock | 1,142,994 | 2,746,388 |
Compare Monterrey with another city
More comparisons with Monterrey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Monterrey and Chicago, IL: common questions
How many hours ahead of Monterrey is Chicago, IL?
The clocks in Chicago are 1 hour ahead of those in Monterrey (UTC−5 and UTC−6).
What time is it in Chicago, IL, when it is 9:00 AM in Monterrey?
When it is 9:00 AM in Monterrey, it is 10:00 AM in Chicago.
What time is it in Chicago, IL, when it is 6:00 PM in Monterrey?
When it is 6:00 PM in Monterrey, it is 7:00 PM in Chicago.
Is there a time when both Monterrey and Chicago, IL, are at work?
Yes: from 9:00 AM to 5:00 PM in Monterrey (10:00 AM to 6:00 PM in Chicago), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Chicago, IL, compared with Monterrey?
The new day starts in Chicago earlier: at 11:00 PM in Monterrey it is already midnight there. Until 1:00 AM in Chicago, Monterrey is still on the previous day.
Does the time difference between Monterrey and Chicago, IL, change?
Yes. The clocks change only in Chicago. From November 1, 2026, Chicago and Monterrey will have the same time.
