Monterrey to Portsmouth, OH: time difference
Portsmouth, OH 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 06:47 6:47 AM Portsmouth, OH 07:47 7:47 AM You –:–
06:47 6:47 AM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
07:47 7:47 AM
Eastern Standard Time · UTC-5
☀️ 07:05 · 🌙 17:28
·
+1 h
Portsmouth, OH is 1 h ahead of Monterrey.
When you, Monterrey and Portsmouth, OH 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
🇺🇸 Portsmouth, OH
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
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- Working hours
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Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇺🇸 Portsmouth, OH |
|---|---|---|
| Local time | 06:47 | 07:47 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 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/New York |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:54 | 07:05 |
| Sunset | 17:58 | 17:28 |
| Daylight | 11 h 4 min | 10 h 23 min |
| People on this clock | 1,142,994 | 95,535 |
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 Portsmouth, OH: common questions
How far ahead of Monterrey is Portsmouth, OH?
Portsmouth is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
What time is it in Portsmouth, OH, at the start of the working day in Monterrey?
The working day in Monterrey starts at 9:00 AM; in Portsmouth it is 10:00 AM at that moment.
If it is 6:00 PM in Monterrey, what time is it in Portsmouth, OH?
At 6:00 PM in Monterrey, clocks in Portsmouth show 7:00 PM.
Is there a time when both Monterrey and Portsmouth, OH, are at work?
Yes: from 9:00 AM to 5:00 PM in Monterrey (10:00 AM to 6:00 PM in Portsmouth), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Portsmouth, OH, compared with Monterrey?
The new day starts in Portsmouth earlier: at 11:00 PM in Monterrey it is already midnight there. Until 1:00 AM in Portsmouth, Monterrey is still on the previous day.
Is the time difference between Monterrey and Portsmouth, OH, the same all year?
No. Only Portsmouth switches to summer time, so the gap changes twice a year. From March 14, 2027, Portsmouth will be 2 hours ahead of Monterrey.
