Niagara Falls to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Niagara Falls. 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.
Niagara Falls 04:00 4:00 AM Rio de Janeiro 05:00 5:00 AM You –:–
04:00 4:00 AM
Eastern Daylight Time · UTC-4
☀️ 07:35 · 🌙 18:29
05:00 5:00 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+1 h
Rio de Janeiro is 1 h ahead of Niagara Falls.
When you, Niagara Falls 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
🇨🇦 Niagara Falls
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
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Time zones side by side
| Detail | 🇨🇦 Niagara Falls | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 04:00 | 05:00 |
| 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 Niagara Falls | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:35 | 05:18 |
| Sunset | 18:29 | 17:59 |
| Daylight | 10 h 53 min | 12 h 41 min |
| People on this clock | 93,000 | 6,211,223 |
Compare Niagara Falls with another city
More comparisons with Niagara Falls: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Niagara Falls and Rio de Janeiro: common questions
What is the time difference between Niagara Falls and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Niagara Falls is on UTC−4.
If it is 9:00 AM in Niagara Falls, what time is it in Rio de Janeiro?
At 9:00 AM in Niagara Falls, clocks in Rio de Janeiro show 10:00 AM.
What time is it in Rio de Janeiro when it is 6:00 PM in Niagara Falls?
When it is 6:00 PM in Niagara Falls, it is 7:00 PM in Rio de Janeiro.
When do working hours in Niagara Falls and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Niagara Falls, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
From what time in Niagara Falls is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Niagara Falls, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Niagara Falls.
Is the time difference between Niagara Falls and Rio de Janeiro the same all year?
No. Only Niagara Falls switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Niagara Falls.
