Buenos Aires to Tokyo Time Difference

Tokyo is 12 hours ahead of Buenos Aires. Standard 9 AM–5 PM business hours in Buenos Aires and Tokyo do not overlap, so a live call needs one side outside normal hours. Buenos Aires and Tokyo change their clocks together (or don't change at all), so the time difference between them stays the same all year.

• When it's 9:00 AM in Buenos Aires, it's 9:00 PM in Tokyo.
• When it's 9:00 AM in Tokyo, it's 9:00 PM the previous day in Buenos Aires.

Tokyo is currently 12 hours ahead of Buenos Aires.

Standard 9 AM – 5 PM hours in Buenos Aires and Tokyo do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Buenos Aires, or a 6–8 PM meeting in Tokyo.

The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.

• Buenos Aires does not observe daylight saving time.
• Tokyo does not observe daylight saving time.

Frequently asked questions

Is Tokyo ahead of or behind Buenos Aires?

Tokyo is 12 hours ahead of Buenos Aires.

How many hours ahead of Buenos Aires is Tokyo?

Tokyo is 12 hours ahead of Buenos Aires.

What time is 9 AM in Buenos Aires in Tokyo?

9:00 AM in Buenos Aires is 9:00 PM in Tokyo.

What time is noon in Buenos Aires in Tokyo?

12:00 PM in Buenos Aires is 12:00 AM the next day in Tokyo.

What time is 5 PM in Buenos Aires in Tokyo?

5:00 PM in Buenos Aires is 5:00 AM the next day in Tokyo. Useful for end-of-day handoffs between the two offices.

What time is 3 PM in Buenos Aires in Tokyo?

3:00 PM in Buenos Aires is 3:00 AM the next day in Tokyo.

Is Buenos Aires currently observing daylight saving time?

Buenos Aires does not observe daylight saving time — its UTC offset stays the same all year.

Is Tokyo currently observing daylight saving time?

Tokyo does not observe daylight saving time — its UTC offset stays the same all year.

Do Buenos Aires and Tokyo observe daylight saving?

The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.

When is the best time to call Tokyo from Buenos Aires?

Buenos Aires and Tokyo business hours don't overlap. The closest options are early mornings in Buenos Aires or late evenings, when one side stretches outside 9–5.

When is the best time to call Buenos Aires from Tokyo?

Tokyo and Buenos Aires business hours don't overlap. The closest options are early mornings in Tokyo or late evenings, when one side stretches outside 9–5.

Buenos Aires (ART) to Tokyo (JST) — how do I convert quickly?

Add 12 hours to Buenos Aires local time to get Tokyo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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