Rio de Janeiro to London: time difference
London is 3 h ahead of 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 22:56 10:56 PM London 01:56 1:56 AM You –:–
22:56 10:56 PM
Brasilia Standard Time · UTC-3
☀️ 05:13 · 🌙 18:02
01:56 1:56 AM
Greenwich Mean Time · UTC+0
☀️ 06:44 · 🌙 16:47
·
+3 h
London is 3 h ahead of Rio de Janeiro.
When you, Rio de Janeiro 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 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
🇬🇧 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 de Janeiro | 🇬🇧 London |
|---|---|---|
| Local time | 22:56 | 01:56 |
| Local date | Sunday, October 25, 2026 | Monday, October 26, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Rio de Janeiro | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:13 | 06:44 |
| Sunset | 18:02 | 16:47 |
| Daylight | 12 h 49 min | 10 h 3 min |
| People on this clock | 6,211,223 | 8,908,083 |
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 London: common questions
How far ahead of Rio de Janeiro is London?
London is 3 hours ahead of Rio de Janeiro: UTC+0 against UTC−3.
What time is it in London at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in London it is 12:00 PM at that moment.
What time is it in London at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in London it is 9:00 PM at that moment.
When is a good time to call London from Rio de Janeiro?
Between 9:00 AM and 3:00 PM in Rio de Janeiro – that is 12:00 PM to 6:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in London compared with Rio de Janeiro?
The new day starts in London earlier: at 9:00 PM in Rio de Janeiro it is already midnight there. Until 3:00 AM in London, Rio de Janeiro is still on the previous day.
Is the time difference between Rio de Janeiro and London the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From March 28, 2027, London will be 4 hours ahead of Rio de Janeiro.
