Dublin to Niteroi: time difference
Niteroi is 3 h behind Dublin. 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.
Dublin 22:02 10:02 PM Niteroi 19:02 7:02 PM You –:–
22:02 10:02 PM
Greenwich Mean Time · UTC+0
☀️ 07:32 · 🌙 16:47
19:02 7:02 PM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:08
·
−3 h
Niteroi is 3 h behind Dublin.
When you, Dublin and Niteroi are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇪 Dublin
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
🇧🇷 Niteroi
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇪 Dublin | 🇧🇷 Niteroi |
|---|---|---|
| Local time | 22:02 | 19:02 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Greenwich Mean Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Dublin | — | −3 h |
| IANA zone | Europe/Dublin | America/Sao Paulo |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:32 | 05:06 |
| Sunset | 16:47 | 18:08 |
| Daylight | 9 h 16 min | 13 h 2 min |
| People on this clock | 588,233 | 481,749 |
Compare Dublin with another city
More comparisons with Dublin: the time zones next to it and the far side of the clock.
Big time differences
Dublin and Niteroi: common questions
How far behind Dublin is Niteroi?
Niteroi is 3 hours behind Dublin: UTC−3 against UTC+0.
What time is it in Niteroi when it is 9:00 AM in Dublin?
When it is 9:00 AM in Dublin, it is 6:00 AM in Niteroi.
If it is 6:00 PM in Dublin, what time is it in Niteroi?
At 6:00 PM in Dublin, clocks in Niteroi show 3:00 PM.
When do working hours in Dublin and in Niteroi overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Dublin, which is 9:00 AM to 3:00 PM in Niteroi.
When is it still the previous day in Niteroi?
Until 3:00 AM in Dublin it is still the previous day in Niteroi. The other way round, from 9:00 PM in Niteroi it is already the next day in Dublin.
Is the time difference between Dublin and Niteroi the same all year?
No. Only Dublin switches to summer time, so the gap changes twice a year. From March 28, 2027, Niteroi will be 4 hours behind Dublin.
