Rio de Janeiro to London Time Converter
London is +4h ahead of Rio de Janeiro
Quick converter
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FROM
Rio de Janeiro
Brazil
UTC-03:00
TO
London
United Kingdom
UTC+01:00
Date-aware conversion
Convert a specific date and time
Result
Wed, May 27, 2026 19:32
Rio de Janeiro: Wednesday, May 27, 2026 3:32 PM GMT-3 to London: Wednesday, May 27, 2026 7:32 PM GMT+1.
London is 4h ahead of Rio de Janeiro on this date
24-Hour Comparison
Every hour in Rio de Janeiro and the corresponding time in London. Green rows indicate business hours in London.
Time zones
Rio de Janeiro uses America/Sao_Paulo (GMT-3) and London uses Europe/London (GMT+1). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in London. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Rio de Janeiro and London
The easiest overlap starts around 9:00 AM and runs through 1:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About Rio de Janeiro
Rio de Janeiro is located in Brazil (South America). It uses the America/Sao_Paulo timezone with a standard offset of UTC-03:00. It observes DST, switching between BRT and BRST. See the full Rio de Janeiro time page for live clock and planning details.
About London
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
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