Rio de Janeiro to Sosua: time difference
Sosua 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 16:40 4:40 PM Sosua 15:40 3:40 PM You –:–
16:40 4:40 PM
Brasilia Standard Time · UTC-3
☀️ 05:21 · 🌙 17:57
15:40 3:40 PM
Atlantic Standard Time · UTC-4
☀️ 06:37 · 🌙 18:20
·
−1 h
Sosua is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Sosua 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
🇩🇴 Sosua
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 | 🇩🇴 Sosua |
|---|---|---|
| Local time | 16:40 | 15:40 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 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/Santo Domingo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:21 | 06:37 |
| Sunset | 17:57 | 18:20 |
| Daylight | 12 h 36 min | 11 h 42 min |
| People on this clock | 6,211,223 | 7,713 |
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 Sosua: common questions
What is the time difference between Rio de Janeiro and Sosua?
Sosua is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Sosua?
At 9:00 AM in Rio de Janeiro, clocks in Sosua show 8:00 AM.
What time is it in Sosua when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in Sosua.
Is there a time when both Rio de Janeiro and Sosua are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Sosua), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Sosua compared with Rio de Janeiro?
The new day starts in Sosua later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Sosua, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Sosua change during the year?
No, the clocks change neither in Rio de Janeiro nor in Sosua, so the gap is 1 hour all year round.
