Willimantic, CT to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Willimantic, CT. 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.
Willimantic, CT 04:06 4:06 AM Rio de Janeiro 05:06 5:06 AM You –:–
04:06 4:06 AM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 17:57
05:06 5:06 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+1 h
Rio de Janeiro is 1 h ahead of Willimantic, CT.
When you, Willimantic, CT 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
🇺🇸 Willimantic, CT
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 | 🇺🇸 Willimantic, CT | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 04:06 | 05:06 |
| Local date | Friday, October 23, 2026 | Friday, October 23, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Willimantic, CT | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 05:15 |
| Sunset | 17:57 | 18:01 |
| Daylight | 10 h 46 min | 12 h 46 min |
| People on this clock | 17,737 | 6,211,223 |
Compare Willimantic, CT with another city
More comparisons with Willimantic, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Willimantic, CT and Rio de Janeiro: common questions
How many hours ahead of Willimantic, CT, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Willimantic (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Willimantic, CT?
The working day in Willimantic starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Willimantic, CT?
When it is 6:00 PM in Willimantic, it is 7:00 PM in Rio de Janeiro.
When is a good time to call Rio de Janeiro from Willimantic, CT?
Between 9:00 AM and 5:00 PM in Willimantic – that is 10:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Willimantic, CT, it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Willimantic.
Does the time gap between Willimantic, CT, and Rio de Janeiro change during the year?
Yes – daylight saving time is used in Willimantic but not in Rio de Janeiro. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Willimantic.
