Arouca to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Arouca. 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.
Arouca 22:18 10:18 PM Rio de Janeiro 23:18 11:18 PM You –:–
22:18 10:18 PM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:52
23:18 11:18 PM
Brasilia Standard Time · UTC-3
☀️ 05:27 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of Arouca.
When you, Arouca 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
🇹🇹 Arouca
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 | 🇹🇹 Arouca | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 22:18 | 23:18 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Arouca | — | +1 h |
| IANA zone | America/Port of Spain | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:55 | 05:27 |
| Sunset | 17:52 | 17:55 |
| Daylight | 11 h 57 min | 12 h 28 min |
| People on this clock | 12,054 | 6,211,223 |
Compare Arouca with another city
More comparisons with Arouca: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Arouca and Rio de Janeiro: common questions
How many hours ahead of Arouca is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Arouca (UTC−3 and UTC−4).
What time is it in Rio de Janeiro when it is 9:00 AM in Arouca?
When it is 9:00 AM in Arouca, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro when it is 6:00 PM in Arouca?
When it is 6:00 PM in Arouca, it is 7:00 PM in Rio de Janeiro.
When is a good time to call Rio de Janeiro from Arouca?
Between 9:00 AM and 5:00 PM in Arouca – that is 10:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio de Janeiro compared with Arouca?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Arouca it is already midnight there. Until 1:00 AM in Rio de Janeiro, Arouca is still on the previous day.
Does the time gap between Arouca and Rio de Janeiro change during the year?
No, the clocks change neither in Arouca nor in Rio de Janeiro, so the gap is 1 hour all year round.
