Fredericton to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Fredericton. 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.
Fredericton 07:30 7:30 AM Rio de Janeiro 08:30 8:30 AM You –:–
07:30 7:30 AM
Atlantic Standard Time · UTC-4
☀️ 07:15 · 🌙 17:07
08:30 8:30 AM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:09
·
+1 h
Rio de Janeiro is 1 h ahead of Fredericton.
When you, Fredericton 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
🇨🇦 Fredericton
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 | 🇨🇦 Fredericton | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 07:30 | 08:30 |
| 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 Fredericton | — | +1 h |
| IANA zone | America/Moncton | America/Sao Paulo |
| Daylight saving | On standard time → UTC-3, Mar 14, 03:00 | Not observed |
| Sunrise | 07:15 | 05:06 |
| Sunset | 17:07 | 18:09 |
| Daylight | 9 h 53 min | 13 h 3 min |
| People on this clock | 56,224 | 6,211,223 |
Compare Fredericton with another city
More comparisons with Fredericton: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Fredericton and Rio de Janeiro: common questions
How far ahead of Fredericton is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Fredericton: UTC−3 against UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Fredericton?
The working day in Fredericton starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro at the end of the working day in Fredericton?
The working day in Fredericton ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Fredericton and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Fredericton (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Fredericton 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 Fredericton.
Does the time difference between Fredericton and Rio de Janeiro change?
Yes. The clocks change only in Fredericton. From March 14, 2027, Rio de Janeiro and Fredericton will have the same time.
