Rio de Janeiro to London Time Difference
Rio de Janeiro is 4 hours behind London. See live clocks for both cities and an hour-by-hour meeting planner to find the best time to talk between Rio de Janeiro and London.
Meeting planner: Rio de Janeiro ↔ London
Green rows are comfortable hours (9am–6pm) in both cities — the best times to talk.
| Rio de Janeiro | London |
|---|---|
| 00:00 | 04:00 |
| 01:00 | 05:00 |
| 02:00 | 06:00 |
| 03:00 | 07:00 |
| 04:00 | 08:00 |
| 05:00 | 09:00 |
| 06:00 | 10:00 |
| 07:00 | 11:00 |
| 08:00 | 12:00 |
| 09:00 | 13:00 |
| 10:00 | 14:00 |
| 11:00 | 15:00 |
| 12:00 | 16:00 |
| 13:00 | 17:00 |
| 14:00 | 18:00 |
| 15:00 | 19:00 |
| 16:00 | 20:00 |
| 17:00 | 21:00 |
| 18:00 | 22:00 |
| 19:00 | 23:00 |
| 20:00 | 00:00 +1d |
| 21:00 | 01:00 +1d |
| 22:00 | 02:00 +1d |
| 23:00 | 03:00 +1d |
Time difference between Rio de Janeiro and London
Rio de Janeiro is 4 hours behind London. Rio de Janeiro is in the -03 time zone and London is in BST. 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 Rio de Janeiro and London?
Rio de Janeiro is 4 hours behind London.
When it is noon in Rio de Janeiro, what time is it in London?
Use the planner above — read across from 12:00 in the Rio de Janeiro column to the London column.
What is the best time to schedule a call between Rio de Janeiro and London?
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.