Rio de Janeiro to Niagara Falls, NY: time difference
Niagara Falls, NY is 1 h behind Rio de Janeiro. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rio de Janeiro 02:20 2:20 AM Niagara Falls, NY 01:20 1:20 AM You –:–
02:20 2:20 AM
Brasilia Standard Time · UTC-3
☀️ 05:16 · 🌙 18:00
01:20 1:20 AM
Eastern Daylight Time · UTC-4
☀️ 07:38 · 🌙 18:25
·
−1 h
Niagara Falls, NY is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Niagara Falls, NY are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇺🇸 Niagara Falls, NY
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Niagara Falls, NY |
|---|---|---|
| Local time | 02:20 | 01:20 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:16 | 07:38 |
| Sunset | 18:00 | 18:25 |
| Daylight | 12 h 44 min | 10 h 48 min |
| People on this clock | 6,211,223 | 48,671 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Niagara Falls, NY: common questions
How many hours behind Rio de Janeiro is Niagara Falls, NY?
The clocks in Niagara Falls are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in Niagara Falls, NY, at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Niagara Falls it is 8:00 AM at that moment.
What time is it in Niagara Falls, NY, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in Niagara Falls.
When do working hours in Rio de Janeiro and in Niagara Falls, NY, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 5:00 PM in Niagara Falls.
When is it still the previous day in Niagara Falls, NY?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Niagara Falls. The other way round, from 11:00 PM in Niagara Falls it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and Niagara Falls, NY, change during the year?
Yes – daylight saving time is used in Niagara Falls but not in Rio de Janeiro. From November 1, 2026, Niagara Falls will be 2 hours behind Rio de Janeiro.
