London to Buenos Aires Time Converter
Buenos Aires is -4h behind London
Quick converter
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FROM
London
United Kingdom
UTC+01:00
TO
Buenos Aires
Argentina
UTC-03:00
Date-aware conversion
Convert a specific date and time
Result
Thu, May 28, 2026 22:39
London: Friday, May 29, 2026 2:39 AM GMT+1 to Buenos Aires: Thursday, May 28, 2026 10:39 PM GMT-3.
Buenos Aires is 4h behind London on this date
24-Hour Comparison
Every hour in London and the corresponding time in Buenos Aires. Green rows indicate business hours in Buenos Aires.
Time zones
London uses Europe/London (GMT+1) and Buenos Aires uses America/Argentina/Buenos_Aires (GMT-3). 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 Buenos Aires. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for London and Buenos Aires
The easiest overlap starts around 1:00 PM and runs through 5:00 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.
Compare meeting hoursQuick examples
City context
About these cities
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.
About Buenos Aires
Buenos Aires is located in Argentina (South America). It uses the America/Argentina/Buenos_Aires timezone with a standard offset of UTC-03:00. It does not observe Daylight Saving Time. See the full Buenos Aires time page for live clock and planning details.
Frequently Asked Questions
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