Time Difference Between Madrid and Buenos Aires
As of 31 August 2026, Buenos Aires is 5 hours behind Madrid. That number is not constant. Over the course of a year, because of daylight saving changes, Buenos Aires, Argentina ranges from 5 hours behind to 4 hours behind relative to Madrid, Spain. The calculator below is always up to date.
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Madrid, Spain
00:34
Tue, Sep 1, 2026
UTC+2 · Europe/Madrid
Buenos Aires, Argentina
-5h19:34
Mon, Aug 31, 2026
UTC-3 · America/Argentina/Buenos_Aires
Buenos Aires is 5 hours behind Madrid.
When it is 00:34 in Madrid, it is already the previous day in Buenos Aires.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Madrid | Tuesday, September 1, 2026 | Europe/Madrid | UTC+2 | Active now |
| Buenos Aires | Monday, August 31, 2026 | America/Argentina/Buenos_Aires | UTC-3 | Not observed |
Hour by hour: Madrid to Buenos Aires
Every hour of today in Madrid and what it is in Buenos Aires. Highlighted rows fall inside Buenos Aires working hours (09:00–18:00).
| Madrid | Buenos Aires |
|---|---|
| 00:00 | 19:00prev day |
| 01:00 | 20:00prev day |
| 02:00 | 21:00prev day |
| 03:00 | 22:00prev day |
| 04:00 | 23:00prev day |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| Madrid | Buenos Aires |
|---|---|
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
Best time to call or meet
Overlapping working hours
14:00–18:00 in Madrid (09:00–13:00 in Buenos Aires)
Both places are inside 09:00–18:00 for 4 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
13:00–21:00 in Madrid (08:00–16:00 in Buenos Aires)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Madrid puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+2 to UTC+1. After that date, Buenos Aires is 4 hours behind Madrid — instead of 5 hours behind, as it is today.
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Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Madrid and Buenos Aires: common questions
What is the time difference between Madrid and Buenos Aires?
As of 31 August 2026, Buenos Aires is 5 hours behind Madrid. The gap is not fixed: across the year, Buenos Aires ranges from 5 hours behind to 4 hours behind relative to Madrid, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Madrid, what time is it in Buenos Aires?
It is 04:00 AM in Buenos Aires, Argentina. Use the time field in the calculator above to check any other hour.
Is Buenos Aires ahead of or behind Madrid?
Buenos Aires is behind Madrid by 5 hours at the moment. In practical terms, the working day in Buenos Aires starts and ends later in Madrid terms.
Do Madrid and Buenos Aires observe daylight saving time?
Madrid changes its clocks twice a year; Buenos Aires does not. The difference therefore shifts by an hour when Madrid switches: across the year, Buenos Aires ranges from 5 hours behind to 4 hours behind relative to Madrid.
What is the best time to call Buenos Aires from Madrid?
Working hours overlap between 14:00 and 18:00 Madrid time, which is 09:00 to 13:00 in Buenos Aires. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Madrid, Spain (UTC+2) and Buenos Aires, Argentina (UTC-3) were generated on Monday, August 31, 2026 UTC and refresh in your browser.