Acuna to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Acuna. 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.
Acuna 23:57 11:57 PM Rio de Janeiro 01:57 1:57 AM You –:–
23:57 11:57 PM
Central Daylight Time · UTC-5
☀️ 07:48 · 🌙 19:11
01:57 1:57 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+2 h
Rio de Janeiro is 2 h ahead of Acuna.
When you, Acuna 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
🇲🇽 Acuna
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
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇲🇽 Acuna | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 23:57 | 01:57 |
| 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 Acuna | — | +2 h |
| IANA zone | America/Matamoros | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:48 | 05:18 |
| Sunset | 19:11 | 17:59 |
| Daylight | 11 h 24 min | 12 h 41 min |
| People on this clock | 160,225 | 6,211,223 |
Compare Acuna with another city
More comparisons with Acuna: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Acuna and Rio de Janeiro: common questions
How far ahead of Acuna is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Acuna: UTC−3 against UTC−5.
What time is it in Rio de Janeiro at the start of the working day in Acuna?
The working day in Acuna starts at 9:00 AM; in Rio de Janeiro it is 11:00 AM at that moment.
If it is 6:00 PM in Acuna, what time is it in Rio de Janeiro?
At 6:00 PM in Acuna, clocks in Rio de Janeiro show 8:00 PM.
Is there a time when both Acuna and Rio de Janeiro are at work?
Yes: from 9:00 AM to 4:00 PM in Acuna (11:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Acuna is it tomorrow in Rio de Janeiro?
Once it is 10:00 PM in Acuna, the date in Rio de Janeiro has already changed. Until 2:00 AM in Rio de Janeiro, it is still the previous day in Acuna.
Does the time gap between Acuna and Rio de Janeiro change during the year?
Yes – daylight saving time is used in Acuna but not in Rio de Janeiro. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Acuna.
