Brockville, Ont to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Brockville, Ont. 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.
Brockville, Ont 17:44 5:44 PM Rio de Janeiro 18:44 6:44 PM You –:–
17:44 5:44 PM
Eastern Daylight Time · UTC-4
☀️ 07:17 · 🌙 18:22
18:44 6:44 PM
Brasilia Standard Time · UTC-3
☀️ 05:22 · 🌙 17:57
·
+1 h
Rio de Janeiro is 1 h ahead of Brockville, Ont.
When you, Brockville, Ont 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
🇨🇦 Brockville, Ont
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 | 🇨🇦 Brockville, Ont | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 17:44 | 18:44 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Brockville, Ont | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:17 | 05:22 |
| Sunset | 18:22 | 17:57 |
| Daylight | 11 h 5 min | 12 h 35 min |
| People on this clock | 21,870 | 6,211,223 |
Compare Brockville, Ont with another city
More comparisons with Brockville, Ont: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Brockville, Ont and Rio de Janeiro: common questions
How many hours ahead of Brockville, Ont, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Brockville (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Brockville, Ont?
The working day in Brockville 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 when it is 6:00 PM in Brockville, Ont?
When it is 6:00 PM in Brockville, it is 7:00 PM in Rio de Janeiro.
Is there a time when both Brockville, Ont, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Brockville (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rio de Janeiro compared with Brockville, Ont?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Brockville it is already midnight there. Until 1:00 AM in Rio de Janeiro, Brockville is still on the previous day.
Does the time gap between Brockville, Ont, and Rio de Janeiro change during the year?
Yes – daylight saving time is used in Brockville but not in Rio de Janeiro. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Brockville.
