Decatur, AL to Monterrey: time difference
Monterrey is 1 h behind Decatur, AL. 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.
Decatur, AL 03:38 3:38 AM Monterrey 02:38 2:38 AM You –:–
03:38 3:38 AM
Central Daylight Time · UTC-5
☀️ 06:58 · 🌙 18:09
02:38 2:38 AM
Central Standard Time · UTC-6
☀️ 06:43 · 🌙 18:10
·
−1 h
Monterrey is 1 h behind Decatur, AL.
When you, Decatur, AL and Monterrey are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Decatur, AL
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
🇲🇽 Monterrey
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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- Working hours
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Time zones side by side
| Detail | 🇺🇸 Decatur, AL | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 03:38 | 02:38 |
| 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 Decatur, AL | — | −1 h |
| IANA zone | America/Chicago | America/Monterrey |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 06:58 | 06:43 |
| Sunset | 18:09 | 18:10 |
| Daylight | 11 h 10 min | 11 h 27 min |
| People on this clock | 77,047 | 1,142,994 |
Compare Decatur, AL with another city
More comparisons with Decatur, AL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Decatur, AL and Monterrey: common questions
How far behind Decatur, AL, is Monterrey?
Monterrey is 1 hour behind Decatur: UTC−6 against UTC−5.
What time is it in Monterrey at the start of the working day in Decatur, AL?
The working day in Decatur starts at 9:00 AM; in Monterrey it is 8:00 AM at that moment.
What time is it in Monterrey when it is 6:00 PM in Decatur, AL?
When it is 6:00 PM in Decatur, it is 5:00 PM in Monterrey.
Is there a time when both Decatur, AL, and Monterrey are at work?
Yes: from 10:00 AM to 6:00 PM in Decatur (9:00 AM to 5:00 PM in Monterrey), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Monterrey compared with Decatur, AL?
The new day starts in Monterrey later: until 1:00 AM in Decatur, it is still the previous day there. From 11:00 PM in Monterrey, Decatur is already on the next day.
Is the time difference between Decatur, AL, and Monterrey the same all year?
No. Only Decatur switches to summer time, so the gap changes twice a year. From November 1, 2026, Monterrey and Decatur will have the same time.
