Time difference between London and Pires do Rio
−4 hPires do Rio is 4 hours behind London.
Observatory log
London and Pires do Rio, compared
- 01Difference now
Pires do Rio is 4 hours behind London.
London: BST (UTC+1) · Pires do Rio: UTC−3 (UTC−3)
Next changeFrom 25 October 2026: Pires do Rio is 3 hours behind London.
- 02Through 2026–2027
- 1 January 2026 – 29 March 2026−3 h
- 29 March 2026 – 25 October 2026−4 h
- 25 October 2026 – 28 March 2027−3 h
- 28 March 2027 – 31 October 2027−4 h
- 31 October 2027 – 31 December 2027−3 h
Difference of Pires do Rio from London. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Fri: 13:00–17:00 in London = 09:00–13:00 in Pires do Rio · 4 h
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
13:00–17:00 in London = 09:00–13:00 in Pires do Rio
Inside both working days (Mon–Fri).
- 05Weekend
London: Saturday and Sunday
Pires do Rio: Saturday and Sunday
24 hours
A day in London, in Pires do Rio
| London | Pires do Rio | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 20:00Yesterday | |
| 01:00 | 21:00Yesterday | |
| 02:00 | 22:00Yesterday | |
| 03:00 | 23:00Yesterday | |
| 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 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: London and Pires do Rio
More time differences with London
Questions
Asked about London and Pires do Rio
What is the time difference between London and Pires do Rio?
Pires do Rio is 4 hours behind London. This holds until 25 October 2026; then Pires do Rio is 3 hours behind London.
What is the best time for a call between London and Pires do Rio?
Inside both working days: Mon–Fri: 13:00–17:00 in London = 09:00–13:00 in Pires do Rio · 4 h.
When does the time difference between London and Pires do Rio change?
In the next 12 months it changes on: 25 October 2026 (−3 h); 28 March 2027 (−4 h).