Rio de Janeiro to Boca Raton, FL: time difference
Boca Raton, FL 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 11:19 11:19 AM Boca Raton, FL 10:19 10:19 AM You –:–
11:19 11:19 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
10:19 10:19 AM
Eastern Daylight Time · UTC-4
☀️ 07:22 · 🌙 18:51
·
−1 h
Boca Raton, FL is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Boca Raton, FL 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
🇺🇸 Boca Raton, FL
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 | 🇺🇸 Boca Raton, FL |
|---|---|---|
| Local time | 11:19 | 10:19 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 05:19 | 07:22 |
| Sunset | 17:59 | 18:51 |
| Daylight | 12 h 40 min | 11 h 29 min |
| People on this clock | 6,211,223 | 86,396 |
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 Boca Raton, FL: common questions
How many hours behind Rio de Janeiro is Boca Raton, FL?
The clocks in Boca Raton are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Boca Raton, FL?
At 9:00 AM in Rio de Janeiro, clocks in Boca Raton show 8:00 AM.
What time is it in Boca Raton, FL, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Boca Raton it is 5:00 PM at that moment.
When do working hours in Rio de Janeiro and in Boca Raton, FL, 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 Boca Raton.
When is it still the previous day in Boca Raton, FL?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Boca Raton. The other way round, from 11:00 PM in Boca Raton it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Boca Raton, FL, change?
Yes. The clocks change only in Boca Raton. From November 1, 2026, Boca Raton will be 2 hours behind Rio de Janeiro.
