London: Greenwich Mean Time
London, United Kingdom uses the Europe/London time zone (GMT).
Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1).
3 hours behind London
Buenos Aires compared with London, right now. Swap: Buenos Aires to London ⇄
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For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
| London | Buenos Aires |
|---|---|
| 12:00 AM | 9:00 PM (previous day) |
| 1:00 AM | 10:00 PM (previous day) |
| 2:00 AM | 11:00 PM (previous day) |
| 3:00 AM | 12:00 AM |
| 4:00 AM | 1:00 AM |
| 5:00 AM | 2:00 AM |
| 6:00 AM | 3:00 AM |
| 7:00 AM | 4:00 AM |
| 8:00 AM | 5:00 AM |
| 9:00 AM | 6:00 AM |
| 10:00 AM | 7:00 AM |
| 11:00 AM | 8:00 AM |
| 12:00 PM | 9:00 AM |
| 1:00 PM | 10:00 AM |
| 2:00 PM | 11:00 AM |
| 3:00 PM | 12:00 PM |
| 4:00 PM | 1:00 PM |
| 5:00 PM | 2:00 PM |
| 6:00 PM | 3:00 PM |
| 7:00 PM | 4:00 PM |
| 8:00 PM | 5:00 PM |
| 9:00 PM | 6:00 PM |
| 10:00 PM | 7:00 PM |
| 11:00 PM | 8:00 PM |
London, United Kingdom uses the Europe/London time zone (GMT).
Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1).
Buenos Aires, Argentina uses the America/Argentina/Buenos_Aires time zone (UTC−3).
No clock change is scheduled; the offset stays the same all year.
The current difference is shown at the top of this page. London uses Greenwich Mean Time (GMT, UTC+0) as standard time and British Summer Time (BST, UTC+1) during daylight saving time; Buenos Aires uses Argentina Standard Time (UTC−3, UTC−3) all year. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
On Tuesday, November 3, 2026, 9:00 AM in London was 6:00 AM in Buenos Aires. The conversion table above shows today’s values.
London: Sunday, March 28, 2027: clocks go forward 1 hour at 1:00 AM local time (UTC+0 → UTC+1). Buenos Aires does not change its clocks.
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