Toronto to Rio das Ostras: time difference
Rio das Ostras is 1 h ahead of Toronto. 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.
Toronto 03:48 3:48 AM Rio das Ostras 04:48 4:48 AM You –:–
03:48 3:48 AM
Eastern Daylight Time · UTC-4
☀️ 07:37 · 🌙 18:29
04:48 4:48 AM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 17:54
·
+1 h
Rio das Ostras is 1 h ahead of Toronto.
When you, Toronto and Rio das Ostras are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Toronto
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 das Ostras
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 | 🇨🇦 Toronto | 🇧🇷 Rio das Ostras |
|---|---|---|
| Local time | 03:48 | 04:48 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Toronto | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:37 | 05:13 |
| Sunset | 18:29 | 17:54 |
| Daylight | 10 h 52 min | 12 h 41 min |
| People on this clock | 2,731,571 | 156,491 |
Compare Toronto with another city
More comparisons with Toronto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toronto and Rio das Ostras: common questions
What is the time difference between Toronto and Rio das Ostras?
Rio das Ostras is 1 hour ahead: it uses UTC−3, while Toronto is on UTC−4.
If it is 9:00 AM in Toronto, what time is it in Rio das Ostras?
At 9:00 AM in Toronto, clocks in Rio das Ostras show 10:00 AM.
If it is 6:00 PM in Toronto, what time is it in Rio das Ostras?
At 6:00 PM in Toronto, clocks in Rio das Ostras show 7:00 PM.
Is there a time when both Toronto and Rio das Ostras are at work?
Yes: from 9:00 AM to 5:00 PM in Toronto (10:00 AM to 6:00 PM in Rio das Ostras), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rio das Ostras compared with Toronto?
The new day starts in Rio das Ostras earlier: at 11:00 PM in Toronto it is already midnight there. Until 1:00 AM in Rio das Ostras, Toronto is still on the previous day.
Does the time gap between Toronto and Rio das Ostras change during the year?
Yes – daylight saving time is used in Toronto but not in Rio das Ostras. From November 1, 2026, Rio das Ostras will be 2 hours ahead of Toronto.
