Rio de Janeiro to Vieux Fort: time difference
Vieux Fort 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 10:02 10:02 AM Vieux Fort 09:02 9:02 AM You –:–
10:02 10:02 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
09:02 9:02 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−1 h
Vieux Fort is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Vieux Fort 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
🇱🇨 Vieux Fort
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 | 🇱🇨 Vieux Fort |
|---|---|---|
| Local time | 10:02 | 09:02 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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/St Lucia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:26 | 05:55 |
| Sunset | 17:55 | 17:48 |
| Daylight | 12 h 30 min | 11 h 54 min |
| People on this clock | 6,211,223 | 16,000 |
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 Vieux Fort: common questions
What is the time difference between Rio de Janeiro and Vieux Fort?
Vieux Fort 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 Vieux Fort?
At 9:00 AM in Rio de Janeiro, clocks in Vieux Fort show 8:00 AM.
What time is it in Vieux Fort at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Vieux Fort it is 5:00 PM at that moment.
When is a good time to call Vieux Fort 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 Vieux Fort – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Vieux Fort?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Vieux Fort. The other way round, from 11:00 PM in Vieux Fort it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Vieux Fort change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
