Rio de Janeiro to Peterborough: time difference
Peterborough 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 06:24 6:24 AM Peterborough 05:24 5:24 AM You –:–
06:24 6:24 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
05:24 5:24 AM
Eastern Daylight Time · UTC-4
☀️ 07:34 · 🌙 18:24
·
−1 h
Peterborough is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Peterborough 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
🇨🇦 Peterborough
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 | 🇨🇦 Peterborough |
|---|---|---|
| Local time | 06:24 | 05:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:18 | 07:34 |
| Sunset | 17:59 | 18:24 |
| Daylight | 12 h 41 min | 10 h 50 min |
| People on this clock | 6,211,223 | 81,032 |
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 Peterborough: common questions
What is the time difference between Rio de Janeiro and Peterborough?
Peterborough is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Peterborough 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 Peterborough.
What time is it in Peterborough when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in Peterborough.
When do working hours in Rio de Janeiro and in Peterborough overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 5:00 PM in Peterborough.
Until what time in Rio de Janeiro is it still yesterday in Peterborough?
Before 1:00 AM in Rio de Janeiro, the date in Peterborough has not changed yet. From 11:00 PM in Peterborough, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Peterborough change?
Yes. The clocks change only in Peterborough. From November 1, 2026, Peterborough will be 2 hours behind Rio de Janeiro.
