What time zone is Buenos Aires in?

Buenos Aires uses Argentina Time (ART) at a fixed UTC−3 year-round. Argentina abolished daylight saving time in 2009 and has not observed it since. This makes the city’s offset exceptionally stable compared to most Western Hemisphere cities.

Is Buenos Aires a good timezone for US-facing remote workers?

Buenos Aires is well-aligned with the US East Coast in winter when New York is on EST (UTC−5) — the gap is just two hours. In summer when New York is on EDT (UTC−4), the gap narrows to one hour, making Buenos Aires one of the best South American cities for US East Coast remote work.

How does Buenos Aires time compare to European cities?

During European winter (CET, UTC+1), Buenos Aires (UTC−3) is four hours behind London (UTC+0) and five hours behind Germany. During European summer (CEST), the gaps widen slightly as Europe moves forward while Buenos Aires stays fixed.

Working Remotely from Buenos Aires: Timezone Guide

August 4, 2026

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Frequently Asked Questions

What time zone is Buenos Aires in?: Buenos Aires uses Argentina Time (ART) at a fixed UTC−3 year-round. Argentina abolished daylight saving time in 2009 and has not observed it since. This makes the city’s offset exceptionally stable compared to most Western Hemisphere cities.
Is Buenos Aires a good timezone for US-facing remote workers?: Buenos Aires is well-aligned with the US East Coast in winter when New York is on EST (UTC−5) — the gap is just two hours. In summer when New York is on EDT (UTC−4), the gap narrows to one hour, making Buenos Aires one of the best South American cities for US East Coast remote work.
How does Buenos Aires time compare to European cities?: During European winter (CET, UTC+1), Buenos Aires (UTC−3) is four hours behind London (UTC+0) and five hours behind Germany. During European summer (CEST), the gaps widen slightly as Europe moves forward while Buenos Aires stays fixed.