St John to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of St John. 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.
St John 04:32 4:32 AM Rio de Janeiro 05:32 5:32 AM You –:–
04:32 4:32 AM
Atlantic Standard Time · UTC-4
☀️ 06:12 · 🌙 18:01
05:32 5:32 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of St John.
When you, St John 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
🇻🇮 St John
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
- Right now
Time zones side by side
| Detail | 🇻🇮 St John | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 04:32 | 05:32 |
| 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 St John | — | +1 h |
| IANA zone | America/St Thomas | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:12 | 05:26 |
| Sunset | 18:01 | 17:55 |
| Daylight | 11 h 49 min | 12 h 30 min |
| People on this clock | 2,743 | 6,211,223 |
Compare St John with another city
More comparisons with St John: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
St John and Rio de Janeiro: common questions
What is the time difference between St John and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while St John is on UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in St John?
When it is 9:00 AM in St John, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro when it is 6:00 PM in St John?
When it is 6:00 PM in St John, it is 7:00 PM in Rio de Janeiro.
Is there a time when both St John and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in St John (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in St John is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in St John, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in St John.
Does the time gap between St John and Rio de Janeiro change during the year?
No, the clocks change neither in St John nor in Rio de Janeiro, so the gap is 1 hour all year round.
