Rio de Janeiro to Westport, CT: time difference
Westport, CT 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 18:22 6:22 PM Westport, CT 17:22 5:22 PM You –:–
18:22 6:22 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
17:22 5:22 PM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 18:07
·
−1 h
Westport, CT is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Westport, CT 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
🇺🇸 Westport, CT
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 | 🇺🇸 Westport, CT |
|---|---|---|
| Local time | 18:22 | 17:22 |
| 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 | 07:11 |
| Sunset | 18:00 | 18:07 |
| Daylight | 12 h 43 min | 10 h 56 min |
| People on this clock | 6,211,223 | 26,592 |
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 Westport, CT: common questions
How many hours behind Rio de Janeiro is Westport, CT?
The clocks in Westport are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in Westport, CT, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Westport.
What time is it in Westport, CT, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Westport it is 5:00 PM at that moment.
Is there a time when both Rio de Janeiro and Westport, CT, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Westport), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Westport, CT?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Westport. The other way round, from 11:00 PM in Westport it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Westport, CT, change?
Yes. The clocks change only in Westport. From November 1, 2026, Westport will be 2 hours behind Rio de Janeiro.
