Sint Nicolaas to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Sint Nicolaas. 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.
Sint Nicolaas 00:43 12:43 AM Rio de Janeiro 01:43 1:43 AM You –:–
00:43 12:43 AM
Atlantic Standard Time · UTC-4
☀️ 06:30 · 🌙 18:25
01:43 1:43 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of Sint Nicolaas.
When you, Sint Nicolaas 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
🇦🇼 Sint Nicolaas
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 | 🇦🇼 Sint Nicolaas | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:43 | 01:43 |
| 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 Sint Nicolaas | — | +1 h |
| IANA zone | America/Aruba | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:30 | 05:26 |
| Sunset | 18:25 | 17:55 |
| Daylight | 11 h 55 min | 12 h 30 min |
| People on this clock | 18,000 | 6,211,223 |
Compare Sint Nicolaas with another city
More comparisons with Sint Nicolaas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sint Nicolaas and Rio de Janeiro: common questions
How far ahead of Sint Nicolaas is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Sint Nicolaas: UTC−3 against UTC−4.
If it is 9:00 AM in Sint Nicolaas, what time is it in Rio de Janeiro?
At 9:00 AM in Sint Nicolaas, clocks in Rio de Janeiro show 10:00 AM.
If it is 6:00 PM in Sint Nicolaas, what time is it in Rio de Janeiro?
At 6:00 PM in Sint Nicolaas, clocks in Rio de Janeiro show 7:00 PM.
When is a good time to call Rio de Janeiro from Sint Nicolaas?
Between 9:00 AM and 5:00 PM in Sint Nicolaas – 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).
From what time in Sint Nicolaas is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Sint Nicolaas, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Sint Nicolaas.
Does the time difference between Sint Nicolaas and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
