Rio de Janeiro to Fredericton: time difference
Fredericton 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 09:25 9:25 AM Fredericton 08:25 8:25 AM You –:–
09:25 9:25 AM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:09
08:25 8:25 AM
Atlantic Standard Time · UTC-4
☀️ 07:15 · 🌙 17:07
·
−1 h
Fredericton is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Fredericton 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
🇨🇦 Fredericton
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 | 🇨🇦 Fredericton |
|---|---|---|
| Local time | 09:25 | 08:25 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 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/Moncton |
| Daylight saving | Not observed | On standard time → UTC-3, Mar 14, 03:00 |
| Sunrise | 05:06 | 07:15 |
| Sunset | 18:09 | 17:07 |
| Daylight | 13 h 3 min | 9 h 53 min |
| People on this clock | 6,211,223 | 56,224 |
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 Fredericton: common questions
What is the time difference between Rio de Janeiro and Fredericton?
Fredericton is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Fredericton when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Fredericton.
If it is 6:00 PM in Rio de Janeiro, what time is it in Fredericton?
At 6:00 PM in Rio de Janeiro, clocks in Fredericton show 5:00 PM.
Is there a time when both Rio de Janeiro and Fredericton are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Fredericton), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Fredericton compared with Rio de Janeiro?
The new day starts in Fredericton later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Fredericton, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Fredericton change during the year?
Yes – daylight saving time is used in Fredericton but not in Rio de Janeiro. From March 14, 2027, Fredericton and Rio de Janeiro will have the same time.
