Rio das Ostras to London: time difference
London is 3 h ahead of Rio das Ostras. 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 das Ostras 09:13 9:13 AM London 12:13 12:13 PM You –:–
09:13 9:13 AM
Brasilia Standard Time · UTC-3
☀️ 05:01 · 🌙 18:03
12:13 12:13 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
+3 h
London is 3 h ahead of Rio das Ostras.
When you, Rio das Ostras and London 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 das Ostras
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
🇬🇧 London
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio das Ostras | 🇬🇧 London |
|---|---|---|
| Local time | 09:13 | 12:13 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Rio das Ostras | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:01 | 07:03 |
| Sunset | 18:03 | 16:27 |
| Daylight | 13 h 2 min | 9 h 24 min |
| People on this clock | 156,491 | 8,908,083 |
Compare Rio das Ostras with another city
More comparisons with Rio das Ostras: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio das Ostras and London: common questions
How many hours ahead of Rio das Ostras is London?
The clocks in London are 3 hours ahead of those in Rio das Ostras (UTC+0 and UTC−3).
What time is it in London when it is 9:00 AM in Rio das Ostras?
When it is 9:00 AM in Rio das Ostras, it is 12:00 PM in London.
What time is it in London when it is 6:00 PM in Rio das Ostras?
When it is 6:00 PM in Rio das Ostras, it is 9:00 PM in London.
When do working hours in Rio das Ostras and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Rio das Ostras, which is 12:00 PM to 6:00 PM in London.
When does the date change in London compared with Rio das Ostras?
The new day starts in London earlier: at 9:00 PM in Rio das Ostras it is already midnight there. Until 3:00 AM in London, Rio das Ostras is still on the previous day.
Does the time difference between Rio das Ostras and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 4 hours ahead of Rio das Ostras.
