Piedras Negras to Monterrey: time difference
Monterrey is 1 h behind Piedras Negras. 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.
Piedras Negras 23:17 11:17 PM Monterrey 22:17 10:17 PM You –:–
23:17 11:17 PM
Central Daylight Time · UTC-5
☀️ 07:45 · 🌙 19:10
22:17 10:17 PM
Central Standard Time · UTC-6
☀️ 06:42 · 🌙 18:12
·
−1 h
Monterrey is 1 h behind Piedras Negras.
When you, Piedras Negras 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
🇲🇽 Piedras Negras
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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Time zones side by side
| Detail | 🇲🇽 Piedras Negras | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 23:17 | 22:17 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Piedras Negras | — | −1 h |
| IANA zone | America/Matamoros | America/Monterrey |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:45 | 06:42 |
| Sunset | 19:10 | 18:12 |
| Daylight | 11 h 25 min | 11 h 30 min |
| People on this clock | 173,959 | 1,142,994 |
Compare Piedras Negras with another city
More comparisons with Piedras Negras: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Piedras Negras and Monterrey: common questions
What is the time difference between Piedras Negras and Monterrey?
Monterrey is 1 hour behind: it uses UTC−6, while Piedras Negras is on UTC−5.
What time is it in Monterrey at the start of the working day in Piedras Negras?
The working day in Piedras Negras starts at 9:00 AM; in Monterrey it is 8:00 AM at that moment.
If it is 6:00 PM in Piedras Negras, what time is it in Monterrey?
At 6:00 PM in Piedras Negras, clocks in Monterrey show 5:00 PM.
Is there a time when both Piedras Negras and Monterrey are at work?
Yes: from 10:00 AM to 6:00 PM in Piedras Negras (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 Piedras Negras?
The new day starts in Monterrey later: until 1:00 AM in Piedras Negras, it is still the previous day there. From 11:00 PM in Monterrey, Piedras Negras is already on the next day.
Is the time difference between Piedras Negras and Monterrey the same all year?
No. Only Piedras Negras switches to summer time, so the gap changes twice a year. From November 1, 2026, Monterrey and Piedras Negras will have the same time.
