Roseau to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Roseau. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Roseau 04:39 4:39 AM Rio de Janeiro 05:39 5:39 AM You –:–
04:39 4:39 AM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:49
05:39 5:39 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of Roseau.
When you, Roseau 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
🇩🇲 Roseau
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
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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇩🇲 Roseau | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 04:39 | 05:39 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Roseau | — | +1 h |
| IANA zone | America/Dominica | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:57 | 05:26 |
| Sunset | 17:49 | 17:55 |
| Daylight | 11 h 52 min | 12 h 30 min |
| People on this clock | 15,000 | 6,211,223 |
Compare Roseau with another city
More comparisons with Roseau: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Roseau and Rio de Janeiro: common questions
How many hours ahead of Roseau is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Roseau (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Roseau?
The working day in Roseau starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro at the end of the working day in Roseau?
The working day in Roseau ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
When do working hours in Roseau and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Roseau, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Roseau it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Roseau.
Is the time difference between Roseau and Rio de Janeiro the same all year?
Yes. Neither Roseau nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
