Rio de Janeiro to Oistins: time difference
Oistins 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 10:34 10:34 AM Oistins 09:34 9:34 AM You –:–
10:34 10:34 AM
Brasilia Standard Time · UTC-3
☀️ 05:07 · 🌙 18:07
09:34 9:34 AM
Atlantic Standard Time · UTC-4
☀️ 05:53 · 🌙 17:32
·
−1 h
Oistins is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Oistins 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
🇧🇧 Oistins
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 | 🇧🇧 Oistins |
|---|---|---|
| Local time | 10:34 | 09:34 |
| Local date | Tuesday, November 3, 2026 | Tuesday, November 3, 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/Barbados |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:07 | 05:53 |
| Sunset | 18:07 | 17:32 |
| Daylight | 13 h | 11 h 38 min |
| People on this clock | 6,211,223 | 2,285 |
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 Oistins: common questions
How many hours behind Rio de Janeiro is Oistins?
The clocks in Oistins are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Oistins?
At 9:00 AM in Rio de Janeiro, clocks in Oistins show 8:00 AM.
What time is it in Oistins at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Oistins it is 5:00 PM at that moment.
When do working hours in Rio de Janeiro and in Oistins overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 5:00 PM in Oistins.
When is it still the previous day in Oistins?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Oistins. The other way round, from 11:00 PM in Oistins it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Oistins change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
