Piedras Negras to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Piedras Negras. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
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 Rio de Janeiro 01:17 1:17 AM You –:–
23:17 11:17 PM
Central Daylight Time · UTC-5
☀️ 07:45 · 🌙 19:10
01:17 1:17 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+2 h
Rio de Janeiro is 2 h ahead of Piedras Negras.
When you, Piedras Negras and Rio de Janeiro 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
🇧🇷 Rio de Janeiro
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 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇲🇽 Piedras Negras | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 23:17 | 01:17 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Piedras Negras | — | +2 h |
| IANA zone | America/Matamoros | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:45 | 05:18 |
| Sunset | 19:10 | 17:59 |
| Daylight | 11 h 25 min | 12 h 41 min |
| People on this clock | 173,959 | 6,211,223 |
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 Rio de Janeiro: common questions
How far ahead of Piedras Negras is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Piedras Negras: UTC−3 against UTC−5.
What time is it in Rio de Janeiro when it is 9:00 AM in Piedras Negras?
When it is 9:00 AM in Piedras Negras, it is 11:00 AM in Rio de Janeiro.
If it is 6:00 PM in Piedras Negras, what time is it in Rio de Janeiro?
At 6:00 PM in Piedras Negras, clocks in Rio de Janeiro show 8:00 PM.
When do working hours in Piedras Negras and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Piedras Negras, which is 11:00 AM to 6:00 PM in Rio de Janeiro.
When is it already the next day in Rio de Janeiro?
From 10:00 PM in Piedras Negras it is already the next day in Rio de Janeiro. The other way round, until 2:00 AM in Rio de Janeiro it is still the previous day in Piedras Negras.
Is the time difference between Piedras Negras and Rio de Janeiro the same all year?
No. Only Piedras Negras switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Piedras Negras.
