Alliance, OH to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Alliance, OH. 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.
Alliance, OH 06:17 6:17 AM Rio de Janeiro 07:17 7:17 AM You –:–
06:17 6:17 AM
Eastern Daylight Time · UTC-4
☀️ 07:44 · 🌙 18:35
07:17 7:17 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+1 h
Rio de Janeiro is 1 h ahead of Alliance, OH.
When you, Alliance, OH 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
🇺🇸 Alliance, OH
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Alliance, OH | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 06:17 | 07:17 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Alliance, OH | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:44 | 05:15 |
| Sunset | 18:35 | 18:01 |
| Daylight | 10 h 51 min | 12 h 45 min |
| People on this clock | 21,000 | 6,211,223 |
Compare Alliance, OH with another city
More comparisons with Alliance, OH: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alliance, OH and Rio de Janeiro: common questions
What is the time difference between Alliance, OH, and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Alliance is on UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Alliance, OH?
The working day in Alliance 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 Alliance, OH?
When it is 6:00 PM in Alliance, it is 7:00 PM in Rio de Janeiro.
When do working hours in Alliance, OH, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Alliance, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Alliance, OH?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Alliance it is already midnight there. Until 1:00 AM in Rio de Janeiro, Alliance is still on the previous day.
Is the time difference between Alliance, OH, and Rio de Janeiro the same all year?
No. Only Alliance switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Alliance.
