World Timezones

Rio de Janeiro to London Converter

Compare London to Rio de Janeiro instead
Rio de Janeiro1:35 amFri, Jun 5
Rio de JaneiroBRT
Brazil · UTC-3
1:35 amFri, Jun 5
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LondonBST
ENG, United Kingdom · UTC+1
5:35 amFri, Jun 5
4a
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Offset

The time difference between Rio de Janeiro and London is 4 hours.

4 hours

Rio de Janeiro (BRT) is behind London (BST).

BRT: UTC-3

BST: UTC+1

London is currently observing daylight saving time; Rio de Janeiro is not.

When to schedule

Business-hours overlap: 9 AM–1 PM in Rio de Janeiro (1 PM–5 PM in London).

Both teams are in working hours during this window on weekdays.

Suggested time: 11:00 AM Rio de Janeiro (3:00 PM London).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Brazil

  • New Year's DayThu, Jan 1
  • CarnivalMon, Feb 16
  • CarnivalTue, Feb 17
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • TiradentesTue, Apr 21
  • Labour DayFri, May 1
  • Corpus ChristiThu, Jun 4
  • Independence DayMon, Sep 7
  • Our Lady of AparecidaMon, Oct 12
  • All Souls' DayMon, Nov 2
  • Republic Proclamation DaySun, Nov 15
  • Black Awareness DayFri, Nov 20
  • Christmas DayFri, Dec 25

United Kingdom

  • Good FridayFri, Apr 3
  • Early May Bank HolidayMon, May 4
  • Spring Bank HolidayMon, May 25
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.

London uses Greenwich Mean Time (GMT, or BST). To call United Kingdom, dial +44.

London is approximately 5,750 miles northeast of Rio de Janeiro.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

Rio de JaneiroLondonDay
12:00 am4:00 amSame day
1:00 am5:00 amSame day
2:00 am6:00 amSame day
3:00 am7:00 amSame day
4:00 am8:00 amSame day
5:00 am9:00 amSame day
6:00 am10:00 amSame day
7:00 am11:00 amSame day
8:00 am12:00 pmSame day
9:00 am1:00 pmSame day
10:00 am2:00 pmSame day
11:00 am3:00 pmSame day
12:00 pm4:00 pmSame day
1:00 pm5:00 pmSame day
2:00 pm6:00 pmSame day
3:00 pm7:00 pmSame day
4:00 pm8:00 pmSame day
5:00 pm9:00 pmSame day
6:00 pm10:00 pmSame day
7:00 pm11:00 pmSame day
8:00 pm12:00 am+1 day
9:00 pm1:00 am+1 day
10:00 pm2:00 am+1 day
11:00 pm3:00 am+1 day

Daylight saving time

London observes daylight saving time; Rio de Janeiro does not. The offset between the two zones changes when London transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Rio de Janeiro
Sunrise
6:29 AM
Sunset
5:16 PM
Day length
10h 47m
London
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m

Daylight overlap: 10h 44m — 6:29 AM–5:13 PM in Rio de Janeiro (10:29 AM–9:13 PM in London). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Brasilia Time

  • CGH
  • GRU
  • GIG
  • SDU
  • CNF
  • BSB
  • CWB
  • GYN
  • POA

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Related conversions

Common conversions

What is 9:00 am Rio de Janeiro in London?
9:00 am Rio de Janeiro is 1:00 pm London.
What is 12:00 pm Rio de Janeiro in London?
12:00 pm Rio de Janeiro is 4:00 pm London.
What is 12:30 pm Rio de Janeiro in London?
12:30 pm Rio de Janeiro is 4:30 pm London.
What is 2:00 pm Rio de Janeiro in London?
2:00 pm Rio de Janeiro is 6:00 pm London.
What is 5:00 pm Rio de Janeiro in London?
5:00 pm Rio de Janeiro is 9:00 pm London.
What is 11:30 pm Rio de Janeiro in London?
11:30 pm Rio de Janeiro is 3:30 am London, the next day.