Rio de Janeiro to Alliance, OH: time difference
Alliance, OH 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 10:54 10:54 AM Alliance, OH 09:54 9:54 AM You –:–
10:54 10:54 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
09:54 9:54 AM
Eastern Daylight Time · UTC-4
☀️ 07:44 · 🌙 18:35
·
−1 h
Alliance, OH is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Alliance, OH 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
🇺🇸 Alliance, OH
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 | 🇺🇸 Alliance, OH |
|---|---|---|
| Local time | 10:54 | 09:54 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 07:44 |
| Sunset | 18:01 | 18:35 |
| Daylight | 12 h 45 min | 10 h 51 min |
| People on this clock | 6,211,223 | 21,000 |
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 Alliance, OH: common questions
What is the time difference between Rio de Janeiro and Alliance, OH?
Alliance is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Alliance, OH, at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Alliance it is 8:00 AM at that moment.
What time is it in Alliance, OH, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Alliance it is 5:00 PM at that moment.
When is a good time to call Alliance, OH, from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Alliance – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio de Janeiro is it still yesterday in Alliance, OH?
Before 1:00 AM in Rio de Janeiro, the date in Alliance has not changed yet. From 11:00 PM in Alliance, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Alliance, OH, change?
Yes. The clocks change only in Alliance. From November 1, 2026, Alliance will be 2 hours behind Rio de Janeiro.
