Rio de Janeiro to Acuna: time difference
Acuna is 2 h behind Rio de Janeiro. 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.
Rio de Janeiro 04:48 4:48 AM Acuna 02:48 2:48 AM You –:–
04:48 4:48 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
02:48 2:48 AM
Central Daylight Time · UTC-5
☀️ 07:48 · 🌙 19:10
·
−2 h
Acuna is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and Acuna are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇲🇽 Acuna
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇲🇽 Acuna |
|---|---|---|
| Local time | 04:48 | 02:48 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Rio de Janeiro | — | −2 h |
| IANA zone | America/Sao Paulo | America/Matamoros |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:18 | 07:48 |
| Sunset | 17:59 | 19:10 |
| Daylight | 12 h 41 min | 11 h 22 min |
| People on this clock | 6,211,223 | 160,225 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Acuna: common questions
How many hours behind Rio de Janeiro is Acuna?
The clocks in Acuna are 2 hours behind those in Rio de Janeiro (UTC−5 and UTC−3).
What time is it in Acuna at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Acuna it is 7:00 AM at that moment.
What time is it in Acuna when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 4:00 PM in Acuna.
When is a good time to call Acuna from Rio de Janeiro?
Between 11:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 4:00 PM in Acuna – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Acuna compared with Rio de Janeiro?
The new day starts in Acuna later: until 2:00 AM in Rio de Janeiro, it is still the previous day there. From 10:00 PM in Acuna, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Acuna change during the year?
Yes – daylight saving time is used in Acuna but not in Rio de Janeiro. From November 1, 2026, Acuna will be 3 hours behind Rio de Janeiro.
