Niagara Falls, NY to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Niagara Falls, NY. 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, NY 00:46 12:46 AM Rio de Janeiro 01:46 1:46 AM You –:–
00:46 12:46 AM
Eastern Daylight Time · UTC-4
☀️ 07:36 · 🌙 18:27
01:46 1:46 AM
Brasilia Standard Time · UTC-3
☀️ 05:16 · 🌙 18:00
·
+1 h
Rio de Janeiro is 1 h ahead of Niagara Falls, NY.
When you, Niagara Falls, NY 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, NY
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 | 🇺🇸 Niagara Falls, NY | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:46 | 01:46 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Niagara Falls, NY | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 05:16 |
| Sunset | 18:27 | 18:00 |
| Daylight | 10 h 51 min | 12 h 44 min |
| People on this clock | 48,671 | 6,211,223 |
Compare Niagara Falls, NY with another city
More comparisons with Niagara Falls, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Niagara Falls, NY and Rio de Janeiro: common questions
How many hours ahead of Niagara Falls, NY, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Niagara Falls (UTC−3 and UTC−4).
If it is 9:00 AM in Niagara Falls, NY, 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, NY?
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, NY, 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.
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Niagara Falls, NY, it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Niagara Falls.
Is the time difference between Niagara Falls, NY, 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.
