Monterrey to Old Harbour: time difference
Old Harbour 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 16:31 4:31 PM Old Harbour 17:31 5:31 PM You –:–
16:31 4:31 PM
Central Standard Time · UTC-6
☀️ 06:42 · 🌙 18:12
17:31 5:31 PM
Eastern Standard Time · UTC-5
☀️ 06:03 · 🌙 17:45
·
+1 h
Old Harbour is 1 h ahead of Monterrey.
When you, Monterrey and Old Harbour 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
🇯🇲 Old Harbour
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 | 🇯🇲 Old Harbour |
|---|---|---|
| Local time | 16:31 | 17:31 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/Jamaica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:42 | 06:03 |
| Sunset | 18:12 | 17:45 |
| Daylight | 11 h 30 min | 11 h 42 min |
| People on this clock | 1,142,994 | 26,024 |
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 Old Harbour: common questions
How many hours ahead of Monterrey is Old Harbour?
The clocks in Old Harbour are 1 hour ahead of those in Monterrey (UTC−5 and UTC−6).
If it is 9:00 AM in Monterrey, what time is it in Old Harbour?
At 9:00 AM in Monterrey, clocks in Old Harbour show 10:00 AM.
What time is it in Old Harbour when it is 6:00 PM in Monterrey?
When it is 6:00 PM in Monterrey, it is 7:00 PM in Old Harbour.
Is there a time when both Monterrey and Old Harbour are at work?
Yes: from 9:00 AM to 5:00 PM in Monterrey (10:00 AM to 6:00 PM in Old Harbour), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Old Harbour?
From 11:00 PM in Monterrey it is already the next day in Old Harbour. The other way round, until 1:00 AM in Old Harbour it is still the previous day in Monterrey.
Is the time difference between Monterrey and Old Harbour the same all year?
Yes. Neither Monterrey nor Old Harbour switches to summer time, so the gap is always 1 hour.
