Danbury, CT to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Danbury, 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.
Danbury, CT 00:59 12:59 AM Rio de Janeiro 01:59 1:59 AM You –:–
00:59 12:59 AM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 18:08
01:59 1:59 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+1 h
Rio de Janeiro is 1 h ahead of Danbury, CT.
When you, Danbury, 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
🇺🇸 Danbury, 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 | 🇺🇸 Danbury, CT | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:59 | 01:59 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Danbury, 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 | 05:18 |
| Sunset | 18:08 | 17:59 |
| Daylight | 10 h 58 min | 12 h 41 min |
| People on this clock | 78,292 | 6,211,223 |
Compare Danbury, CT with another city
More comparisons with Danbury, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Danbury, CT and Rio de Janeiro: common questions
How far ahead of Danbury, CT, is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Danbury: UTC−3 against UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in Danbury, CT?
When it is 9:00 AM in Danbury, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro at the end of the working day in Danbury, CT?
The working day in Danbury ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Danbury, CT, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Danbury (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Danbury, CT, is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Danbury, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Danbury.
Does the time difference between Danbury, CT, and Rio de Janeiro change?
Yes. The clocks change only in Danbury. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Danbury.
