Fall River, MA to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Fall River, MA. 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.
Fall River, MA 10:19 10:19 AM Rio de Janeiro 11:19 11:19 AM You –:–
10:19 10:19 AM
Eastern Daylight Time · UTC-4
☀️ 07:03 · 🌙 17:57
11:19 11:19 AM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+1 h
Rio de Janeiro is 1 h ahead of Fall River, MA.
When you, Fall River, MA 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
🇺🇸 Fall River, MA
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 | 🇺🇸 Fall River, MA | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 10:19 | 11:19 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Fall River, MA | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:03 | 05:17 |
| Sunset | 17:57 | 18:00 |
| Daylight | 10 h 54 min | 12 h 43 min |
| People on this clock | 88,857 | 6,211,223 |
Compare Fall River, MA with another city
More comparisons with Fall River, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Fall River, MA and Rio de Janeiro: common questions
How many hours ahead of Fall River, MA, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Fall River (UTC−3 and UTC−4).
If it is 9:00 AM in Fall River, MA, what time is it in Rio de Janeiro?
At 9:00 AM in Fall River, clocks in Rio de Janeiro show 10:00 AM.
What time is it in Rio de Janeiro at the end of the working day in Fall River, MA?
The working day in Fall River ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Fall River, MA, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Fall River (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rio de Janeiro compared with Fall River, MA?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Fall River it is already midnight there. Until 1:00 AM in Rio de Janeiro, Fall River is still on the previous day.
Is the time difference between Fall River, MA, and Rio de Janeiro the same all year?
No. Only Fall River switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Fall River.
