🇧🇷 Rio de Janeiro, Brazil
35
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:17 · 🌙 18:00 · 12 h 43 min
Rio de Janeiro to Fall River, MA: time difference
Fall River, MA 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 17:20 5:20 PM Fall River, MA 16:20 4:20 PM You –:–
17:20 5:20 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
16:20 4:20 PM
Eastern Daylight Time · UTC-4
☀️ 07:03 · 🌙 17:57
·
−1 h
Fall River, MA is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Fall River, MA 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
🇺🇸 Fall River, MA
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 | 🇺🇸 Fall River, MA |
|---|---|---|
| Local time | 17:20 | 16:20 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 05:17 | 07:03 |
| Sunset | 18:00 | 17:57 |
| Daylight | 12 h 43 min | 10 h 54 min |
| People on this clock | 6,211,223 | 88,857 |
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 Fall River, MA: common questions
What is the time difference between Rio de Janeiro and Fall River, MA?
Fall River is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Fall River, MA?
At 9:00 AM in Rio de Janeiro, clocks in Fall River show 8:00 AM.
What time is it in Fall River, MA, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Fall River it is 5:00 PM at that moment.
Is there a time when both Rio de Janeiro and Fall River, MA, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Fall River), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Fall River, MA?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Fall River. The other way round, from 11:00 PM in Fall River it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Fall River, MA, change?
Yes. The clocks change only in Fall River. From November 1, 2026, Fall River will be 2 hours behind Rio de Janeiro.
