Monterrey to Piedras Negras: time difference
Piedras Negras 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 01:12 1:12 AM Piedras Negras 02:12 2:12 AM You –:–
01:12 1:12 AM
Central Standard Time · UTC-6
☀️ 06:43 · 🌙 18:11
02:12 2:12 AM
Central Daylight Time · UTC-5
☀️ 07:46 · 🌙 19:09
·
+1 h
Piedras Negras is 1 h ahead of Monterrey.
When you, Monterrey and Piedras Negras 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
🇲🇽 Piedras Negras
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
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- Both working
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Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇲🇽 Piedras Negras |
|---|---|---|
| Local time | 01:12 | 02:12 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/Matamoros |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:43 | 07:46 |
| Sunset | 18:11 | 19:09 |
| Daylight | 11 h 29 min | 11 h 23 min |
| People on this clock | 1,142,994 | 173,959 |
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 Piedras Negras: common questions
How far ahead of Monterrey is Piedras Negras?
Piedras Negras is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
What time is it in Piedras Negras at the start of the working day in Monterrey?
The working day in Monterrey starts at 9:00 AM; in Piedras Negras it is 10:00 AM at that moment.
If it is 6:00 PM in Monterrey, what time is it in Piedras Negras?
At 6:00 PM in Monterrey, clocks in Piedras Negras show 7:00 PM.
When is a good time to call Piedras Negras from Monterrey?
Between 9:00 AM and 5:00 PM in Monterrey – that is 10:00 AM to 6:00 PM in Piedras Negras – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Piedras Negras?
From 11:00 PM in Monterrey it is already the next day in Piedras Negras. The other way round, until 1:00 AM in Piedras Negras it is still the previous day in Monterrey.
Is the time difference between Monterrey and Piedras Negras the same all year?
No. Only Piedras Negras switches to summer time, so the gap changes twice a year. From November 1, 2026, Piedras Negras and Monterrey will have the same time.
