Fort-de-france to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Fort-de-france. 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.
Fort-de-france 05:58 5:58 AM Rio de Janeiro 06:58 6:58 AM You –:–
05:58 5:58 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
06:58 6:58 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of Fort-de-france.
When you, Fort-de-france 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
🇲🇶 Fort-de-france
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
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Time zones side by side
| Detail | 🇲🇶 Fort-de-france | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 05:58 | 06:58 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Fort-de-france | — | +1 h |
| IANA zone | America/Martinique | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:55 | 05:26 |
| Sunset | 17:48 | 17:55 |
| Daylight | 11 h 53 min | 12 h 30 min |
| People on this clock | 76,512 | 6,211,223 |
Compare Fort-de-france with another city
More comparisons with Fort-de-france: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Fort-de-france and Rio de Janeiro: common questions
How many hours ahead of Fort-de-france is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Fort-de-france (UTC−3 and UTC−4).
What time is it in Rio de Janeiro when it is 9:00 AM in Fort-de-france?
When it is 9:00 AM in Fort-de-france, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro when it is 6:00 PM in Fort-de-france?
When it is 6:00 PM in Fort-de-france, it is 7:00 PM in Rio de Janeiro.
When is a good time to call Rio de Janeiro from Fort-de-france?
Between 9:00 AM and 5:00 PM in Fort-de-france – 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 is it already the next day in Rio de Janeiro?
From 11:00 PM in Fort-de-france it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Fort-de-france.
Is the time difference between Fort-de-france and Rio de Janeiro the same all year?
Yes. Neither Fort-de-france nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
