What time zone is Buenos Aires in?

Buenos Aires, Argentina follows the IANA time zone America/Argentina/Buenos_Aires, currently abbreviated UTC−3 (UTC offset UTC−3).

Does Buenos Aires observe daylight saving time?

Buenos Aires does not change clocks for daylight saving; it stays at UTC−3 all year.

World Clock · Live

8:47 AMSat, Oct 24, 2026

UTC−3America/Argentina/Buenos_Aires