Rio de Janeiro to Willimantic, CT: time difference
Willimantic, 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 05:30 5:30 AM Willimantic, CT 04:30 4:30 AM You –:–
05:30 5:30 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
04:30 4:30 AM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 17:57
·
−1 h
Willimantic, CT is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Willimantic, 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
🇺🇸 Willimantic, 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
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Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Willimantic, CT |
|---|---|---|
| Local time | 05:30 | 04:30 |
| Local date | Friday, October 23, 2026 | Friday, October 23, 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 | 05:15 | 07:11 |
| Sunset | 18:01 | 17:57 |
| Daylight | 12 h 46 min | 10 h 46 min |
| People on this clock | 6,211,223 | 17,737 |
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 Willimantic, CT: common questions
How far behind Rio de Janeiro is Willimantic, CT?
Willimantic is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
What time is it in Willimantic, 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 Willimantic.
What time is it in Willimantic, CT, 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 Willimantic.
When do working hours in Rio de Janeiro and in Willimantic, CT, 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 Willimantic.
Until what time in Rio de Janeiro is it still yesterday in Willimantic, CT?
Before 1:00 AM in Rio de Janeiro, the date in Willimantic has not changed yet. From 11:00 PM in Willimantic, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Willimantic, CT, change?
Yes. The clocks change only in Willimantic. From November 1, 2026, Willimantic will be 2 hours behind Rio de Janeiro.
