London to Rio de Janeiro Time Difference
London is 4 hours ahead of Rio de Janeiro. See live clocks for both cities and an hour-by-hour meeting planner to find the best time to talk between London and Rio de Janeiro.
Meeting planner: London ↔ Rio de Janeiro
Green rows are comfortable hours (9am–6pm) in both cities — the best times to talk.
| London | Rio de Janeiro |
|---|---|
| 00:00 | 20:00 −1d |
| 01:00 | 21:00 −1d |
| 02:00 | 22:00 −1d |
| 03:00 | 23:00 −1d |
| 04:00 | 00:00 |
| 05:00 | 01:00 |
| 06:00 | 02:00 |
| 07:00 | 03:00 |
| 08:00 | 04:00 |
| 09:00 | 05:00 |
| 10:00 | 06:00 |
| 11:00 | 07:00 |
| 12:00 | 08:00 |
| 13:00 | 09:00 |
| 14:00 | 10:00 |
| 15:00 | 11:00 |
| 16:00 | 12:00 |
| 17:00 | 13:00 |
| 18:00 | 14:00 |
| 19:00 | 15:00 |
| 20:00 | 16:00 |
| 21:00 | 17:00 |
| 22:00 | 18:00 |
| 23:00 | 19:00 |
Time difference between London and Rio de Janeiro
London is 4 hours ahead of Rio de Janeiro. London is in the BST time zone and Rio de Janeiro is in -03. The clocks above are live, so the difference is always up to date — including when either city is on daylight saving time.
Or compare each with your own local time.
Frequently asked questions
What is the time difference between London and Rio de Janeiro?
London is 4 hours ahead of Rio de Janeiro.
When it is noon in London, what time is it in Rio de Janeiro?
Use the planner above — read across from 12:00 in the London column to the Rio de Janeiro column.
What is the best time to schedule a call between London and Rio de Janeiro?
The green rows in the planner show hours that fall within 9am–6pm in both cities — those are the most convenient times for a meeting.
Does this account for daylight saving time?
Yes — the clocks and difference use live time-zone data, so they adjust automatically when either city changes its clocks.