Rio de Janeiro to Arouca: time difference
Arouca is 1 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 00:11 12:11 AM Arouca 23:11 11:11 PM You –:–
00:11 12:11 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
23:11 11:11 PM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:52
·
−1 h
Arouca is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Arouca 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
🇹🇹 Arouca
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇹🇹 Arouca |
|---|---|---|
| Local time | 00:11 | 23:11 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Brasilia Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/Port of Spain |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:26 | 05:55 |
| Sunset | 17:55 | 17:52 |
| Daylight | 12 h 30 min | 11 h 57 min |
| People on this clock | 6,211,223 | 12,054 |
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 Arouca: common questions
How many hours behind Rio de Janeiro is Arouca?
The clocks in Arouca are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in Arouca at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Arouca it is 8:00 AM at that moment.
What time is it in Arouca at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Arouca it is 5:00 PM at that moment.
When is a good time to call Arouca from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Arouca – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Arouca compared with Rio de Janeiro?
The new day starts in Arouca later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Arouca, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Arouca change during the year?
No, the clocks change neither in Rio de Janeiro nor in Arouca, so the gap is 1 hour all year round.
