London to Rio Formoso time converter
Rio Formoso is 4 hours behind London. When it is 9:00 AM in London, it is 5:00 AM in Rio Formoso.
London BST
Wednesday, October 21, 2026
Rio Formoso BRT
Wednesday, October 21, 2026
7:40 AM in London, Wednesday, October 21, 2026
London to Rio Formoso conversion table
Every hour of today in London and the matching time in Rio Formoso. Light rows are typical working hours (9:00–18:00).
| London | Rio Formoso |
|---|---|
| 12:00 AM | 8:00 PM−1 day |
| 1:00 AM | 9:00 PM−1 day |
| 2:00 AM | 10:00 PM−1 day |
| 3:00 AM | 11:00 PM−1 day |
| 4:00 AM | 12:00 AM |
| 5:00 AM | 1:00 AM |
| 6:00 AM | 2:00 AM |
| 7:00 AM | 3:00 AM |
| 8:00 AM | 4:00 AM |
| 9:00 AM | 5:00 AM |
| 10:00 AM | 6:00 AM |
| 11:00 AM | 7:00 AM |
| 12:00 PM | 8:00 AM |
| 1:00 PM | 9:00 AM |
| 2:00 PM | 10:00 AM |
| 3:00 PM | 11:00 AM |
| 4:00 PM | 12:00 PM |
| 5:00 PM | 1:00 PM |
| 6:00 PM | 2:00 PM |
| 7:00 PM | 3:00 PM |
| 8:00 PM | 4:00 PM |
| 9:00 PM | 5:00 PM |
| 10:00 PM | 6:00 PM |
| 11:00 PM | 7:00 PM |
Best time to call or meet
Both sides are at work from 1:00 PM – 6:00 PM in London (9:00 AM – 2:00 PM in Rio Formoso).
Daylight saving time and the difference
The difference changes during the year because London and Rio Formoso switch clocks on different dates:
- Oct 21, 2026 – Oct 25, 2026: -4h
- Oct 25, 2026 – Mar 28, 2027: -3h
- Mar 28, 2027 – Oct 21, 2027: -4h
Distance
London and Rio Formoso are 7,484 km (4,650 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between London and Rio Formoso?
Rio Formoso is 4 hours behind London.
What time is it in Rio Formoso when it is 9 AM in London?
When it is 9:00 AM in London, it is 5:00 AM in Rio Formoso.
When is the best time to call Rio Formoso from London?
Both sides are at work from 1:00 PM – 6:00 PM in London (9:00 AM – 2:00 PM in Rio Formoso).
Does the time difference between London and Rio Formoso change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.