Saint John, New Brunswick to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Saint John, New Brunswick. 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.
Saint John, New Brunswick 17:15 5:15 PM Rio de Janeiro 18:15 6:15 PM You –:–
17:15 5:15 PM
Atlantic Standard Time · UTC-4
☀️ 07:11 · 🌙 17:07
18:15 6:15 PM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:09
·
+1 h
Rio de Janeiro is 1 h ahead of Saint John, New Brunswick.
When you, Saint John, New Brunswick 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
🇨🇦 Saint John, New Brunswick
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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Time zones side by side
| Detail | 🇨🇦 Saint John, New Brunswick | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 17:15 | 18:15 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Saint John, New Brunswick | — | +1 h |
| IANA zone | America/Moncton | America/Sao Paulo |
| Daylight saving | On standard time → UTC-3, Mar 14, 03:00 | Not observed |
| Sunrise | 07:11 | 05:06 |
| Sunset | 17:07 | 18:09 |
| Daylight | 9 h 56 min | 13 h 3 min |
| People on this clock | 70,063 | 6,211,223 |
Compare Saint John, New Brunswick with another city
More comparisons with Saint John, New Brunswick: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Saint John, New Brunswick and Rio de Janeiro: common questions
How far ahead of Saint John, New Brunswick, is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Saint John: UTC−3 against UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Saint John, New Brunswick?
The working day in Saint John starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
If it is 6:00 PM in Saint John, New Brunswick, what time is it in Rio de Janeiro?
At 6:00 PM in Saint John, clocks in Rio de Janeiro show 7:00 PM.
When do working hours in Saint John, New Brunswick, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Saint John, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Saint John, New Brunswick, 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 Saint John.
Is the time difference between Saint John, New Brunswick, and Rio de Janeiro the same all year?
No. Only Saint John switches to summer time, so the gap changes twice a year. From March 14, 2027, Rio de Janeiro and Saint John will have the same time.
