Rio de Janeiro to Dublin, OH: time difference
Dublin, 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 16:34 4:34 PM Dublin, OH 15:34 3:34 PM You –:–
16:34 4:34 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
15:34 3:34 PM
Eastern Daylight Time · UTC-4
☀️ 07:47 · 🌙 18:50
·
−1 h
Dublin, OH is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Dublin, 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
🇺🇸 Dublin, 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 | 🇺🇸 Dublin, OH |
|---|---|---|
| Local time | 16:34 | 15:34 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 05:19 | 07:47 |
| Sunset | 17:59 | 18:50 |
| Daylight | 12 h 40 min | 11 h 3 min |
| People on this clock | 6,211,223 | 49,328 |
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 Dublin, OH: common questions
How many hours behind Rio de Janeiro is Dublin, OH?
The clocks in Dublin are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Dublin, OH?
At 9:00 AM in Rio de Janeiro, clocks in Dublin show 8:00 AM.
If it is 6:00 PM in Rio de Janeiro, what time is it in Dublin, OH?
At 6:00 PM in Rio de Janeiro, clocks in Dublin show 5:00 PM.
When do working hours in Rio de Janeiro and in Dublin, OH, 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 Dublin.
When is it still the previous day in Dublin, OH?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Dublin. The other way round, from 11:00 PM in Dublin it is already the next day in Rio de Janeiro.
Is the time difference between Rio de Janeiro and Dublin, OH, the same all year?
No. Only Dublin switches to summer time, so the gap changes twice a year. From November 1, 2026, Dublin will be 2 hours behind Rio de Janeiro.
