Frederiksted to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Frederiksted. 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.
Frederiksted 20:35 8:35 PM Rio de Janeiro 21:35 9:35 PM You –:–
20:35 8:35 PM
Atlantic Standard Time · UTC-4
☀️ 06:13 · 🌙 18:01
21:35 9:35 PM
Brasilia Standard Time · UTC-3
☀️ 05:24 · 🌙 17:56
·
+1 h
Rio de Janeiro is 1 h ahead of Frederiksted.
When you, Frederiksted 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
🇻🇮 Frederiksted
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
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- Early
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Time zones side by side
| Detail | 🇻🇮 Frederiksted | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 20:35 | 21:35 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Frederiksted | — | +1 h |
| IANA zone | America/St Thomas | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:13 | 05:24 |
| Sunset | 18:01 | 17:56 |
| Daylight | 11 h 48 min | 12 h 32 min |
| People on this clock | 528 | 6,211,223 |
Compare Frederiksted with another city
More comparisons with Frederiksted: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Frederiksted and Rio de Janeiro: common questions
What is the time difference between Frederiksted and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Frederiksted is on UTC−4.
If it is 9:00 AM in Frederiksted, what time is it in Rio de Janeiro?
At 9:00 AM in Frederiksted, clocks in Rio de Janeiro show 10:00 AM.
If it is 6:00 PM in Frederiksted, what time is it in Rio de Janeiro?
At 6:00 PM in Frederiksted, clocks in Rio de Janeiro show 7:00 PM.
When do working hours in Frederiksted and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Frederiksted, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Frederiksted?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Frederiksted it is already midnight there. Until 1:00 AM in Rio de Janeiro, Frederiksted is still on the previous day.
Does the time difference between Frederiksted and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
