Buenos Aires to Tokyo Time Converter

Buenos Aires is 12 hours behind Tokyo · Buenos Aires UTC-3 · Tokyo UTC+9

🇦🇷 Buenos Aires

🇯🇵 Tokyo

Best time to connect

These cities have no standard-workday overlap — Buenos Aires and Tokyo are too far apart in time. Schedule outside normal hours, or use async communication.

Buenos Aires ↔ Tokyo time difference explained

Buenos Aires is 12 hours behind Tokyo. Buenos Aires, Argentina runs on America/Argentina/Buenos Aires (UTC-3) while Tokyo, Japan uses Asia/Tokyo (UTC+9). The converter above stays accurate through daylight saving changes because it reads live UTC offsets rather than fixed values. Whether you're coordinating remote work, booking a call, or planning travel between Buenos Aires and Tokyo, the working-hours overlap panel shows exactly when both cities are awake and at their desks.

Need more than the time? See the full Buenos Aires and Tokyo remote-work guides — cost of living, internet speed and visa options.

More Buenos Aires conversions

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Hour-by-hour: Buenos Aires to Tokyo

When it's this time in Buenos Aires, here's the time in Tokyo — all 24 hours, in both 24-hour and 12-hour (am/pm) format.

00:00 · 12am12:00 · 12pm

01:00 · 1am13:00 · 1pm

02:00 · 2am14:00 · 2pm

03:00 · 3am15:00 · 3pm

04:00 · 4am16:00 · 4pm

05:00 · 5am17:00 · 5pm

06:00 · 6am18:00 · 6pm

07:00 · 7am19:00 · 7pm

08:00 · 8am20:00 · 8pm

09:00 · 9am21:00 · 9pm

10:00 · 10am22:00 · 10pm

11:00 · 11am23:00 · 11pm

12:00 · 12pm00:00 · 12am (+1d)

13:00 · 1pm01:00 · 1am (+1d)

14:00 · 2pm02:00 · 2am (+1d)

15:00 · 3pm03:00 · 3am (+1d)

16:00 · 4pm04:00 · 4am (+1d)

17:00 · 5pm05:00 · 5am (+1d)

18:00 · 6pm06:00 · 6am (+1d)

19:00 · 7pm07:00 · 7am (+1d)

20:00 · 8pm08:00 · 8am (+1d)

21:00 · 9pm09:00 · 9am (+1d)

22:00 · 10pm10:00 · 10am (+1d)

23:00 · 11pm11:00 · 11am (+1d)

Buenos Aires keeps Argentina Time (ART, UTC-3) all year. Tokyo keeps Japan Standard Time (JST, UTC+9) all year. On those offsets the time in Japan is 12 hours ahead of the time in Argentina: 9am in Buenos Aires is 9pm, 12pm in Buenos Aires is 12am the next day, 2pm in Buenos Aires is 2am the next day, and 8pm in Buenos Aires is 8am the next day in Tokyo.

Frequently asked questions

What is the time difference between Buenos Aires and Tokyo?

Buenos Aires is 12 hours behind Tokyo. Buenos Aires is UTC-3 and Tokyo is UTC+9. The live converter above updates every second and accounts for daylight saving time automatically.

When it's 9am in Buenos Aires, what time is it in Tokyo?

When it's 9am in Buenos Aires, it's 21:00 in Tokyo (buenos aires is 12 hours behind tokyo).

What's the best time to schedule a call between Buenos Aires and Tokyo?

The "best time to connect" panel above shows the live working-hours overlap — the window when both Buenos Aires and Tokyo are within a typical 9-to-5 workday, ideal for meetings and calls.

Do Buenos Aires and Tokyo observe daylight saving time?

Both cities' current UTC offsets are shown live above and adjust automatically when either region enters or leaves daylight saving time, so the converter is always accurate.