Ada, OK to Monterrey: time difference
Monterrey is 1 h behind Ada, OK. 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.
Ada, OK 20:05 8:05 PM Monterrey 19:05 7:05 PM You –:–
20:05 8:05 PM
Central Daylight Time · UTC-5
☀️ 07:28 · 🌙 19:01
19:05 7:05 PM
Central Standard Time · UTC-6
☀️ 06:38 · 🌙 18:21
·
−1 h
Monterrey is 1 h behind Ada, OK.
When you, Ada, OK 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
🇺🇸 Ada, OK
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Ada, OK | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 20:05 | 19:05 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Ada, OK | — | −1 h |
| IANA zone | America/Chicago | America/Monterrey |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:28 | 06:38 |
| Sunset | 19:01 | 18:21 |
| Daylight | 11 h 33 min | 11 h 43 min |
| People on this clock | 17,000 | 1,142,994 |
Compare Ada, OK with another city
More comparisons with Ada, OK: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ada, OK and Monterrey: common questions
How many hours behind Ada, OK, is Monterrey?
The clocks in Monterrey are 1 hour behind those in Ada (UTC−6 and UTC−5).
What time is it in Monterrey when it is 9:00 AM in Ada, OK?
When it is 9:00 AM in Ada, it is 8:00 AM in Monterrey.
If it is 6:00 PM in Ada, OK, what time is it in Monterrey?
At 6:00 PM in Ada, clocks in Monterrey show 5:00 PM.
Is there a time when both Ada, OK, and Monterrey are at work?
Yes: from 10:00 AM to 6:00 PM in Ada (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 Ada, OK?
The new day starts in Monterrey later: until 1:00 AM in Ada, it is still the previous day there. From 11:00 PM in Monterrey, Ada is already on the next day.
Does the time difference between Ada, OK, and Monterrey change?
Yes. The clocks change only in Ada. From November 1, 2026, Monterrey and Ada will have the same time.
