Buenos Aires

4:5140

Sunday, 18 October 2026GMT-3 · UTC−3

Compare Buenos Aires

Where do you need to be?

Convert to

Madrid

Spain →

Useful context

Understanding Buenos Aires time

What time zone is Buenos Aires in?

Buenos Aires uses the IANA time zone America/Argentina/Buenos_Aires. Its current offset is UTC−3.

When is a good time to call?

Aim for 09:00–17:00 in Buenos Aires. Open a converter above to see how that working window lands in another city.

Does Buenos Aires change its clocks?

Buenos Aires keeps the same UTC−3 offset in January and July, so its clock is generally stable through the year.

Buenos Aires keeps Argentina Time

Buenos Aires uses America/Argentina/Buenos_Aires, usually described as Argentina Time. It is a useful reference for calls with the capital, but the city and date remain clearer than a bare numeric offset.

Why a named time zone matters →