Rio de Janeiro to St.James: time difference
St.James 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 04:57 4:57 AM St.James 03:57 3:57 AM You –:–
04:57 4:57 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
03:57 3:57 AM
Atlantic Standard Time · UTC-4
☀️ 05:56 · 🌙 17:48
·
−1 h
St.James is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and St.James 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
🇹🇹 St.James
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 | 🇹🇹 St.James |
|---|---|---|
| Local time | 04:57 | 03:57 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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/Port of Spain |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:19 | 05:56 |
| Sunset | 17:59 | 17:48 |
| Daylight | 12 h 40 min | 11 h 52 min |
| People on this clock | 6,211,223 | 4,342 |
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 St.James: common questions
How far behind Rio de Janeiro is St.James?
St.James is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
What time is it in St.James at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in St.James it is 8:00 AM at that moment.
What time is it in St.James at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in St.James it is 5:00 PM at that moment.
When is a good time to call St.James 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 St.James – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio de Janeiro is it still yesterday in St.James?
Before 1:00 AM in Rio de Janeiro, the date in St.James has not changed yet. From 11:00 PM in St.James, it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and St.James change during the year?
No, the clocks change neither in Rio de Janeiro nor in St.James, so the gap is 1 hour all year round.
