Markham to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Markham. 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.
Markham 17:19 5:19 PM Rio de Janeiro 18:19 6:19 PM You –:–
17:19 5:19 PM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:37
18:19 6:19 PM
Brasilia Standard Time · UTC-3
☀️ 05:22 · 🌙 17:57
·
+1 h
Rio de Janeiro is 1 h ahead of Markham.
When you, Markham 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
🇨🇦 Markham
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 | 🇨🇦 Markham | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 17:19 | 18:19 |
| 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 Markham | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:31 | 05:22 |
| Sunset | 18:37 | 17:57 |
| Daylight | 11 h 6 min | 12 h 35 min |
| People on this clock | 338,503 | 6,211,223 |
Compare Markham with another city
More comparisons with Markham: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Markham and Rio de Janeiro: common questions
What is the time difference between Markham and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Markham is on UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in Markham?
When it is 9:00 AM in Markham, it is 10:00 AM in Rio de Janeiro.
If it is 6:00 PM in Markham, what time is it in Rio de Janeiro?
At 6:00 PM in Markham, clocks in Rio de Janeiro show 7:00 PM.
When do working hours in Markham and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Markham, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Markham?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Markham it is already midnight there. Until 1:00 AM in Rio de Janeiro, Markham is still on the previous day.
Does the time difference between Markham and Rio de Janeiro change?
Yes. The clocks change only in Markham. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Markham.
