Tokyo to Buenos Aires Time Converter

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

🇯🇵 Tokyo

🇦🇷 Buenos Aires

Best time to connect

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

Tokyo ↔ Buenos Aires time difference explained

Tokyo is 12 hours ahead of Buenos Aires. Tokyo, Japan runs on Asia/Tokyo (UTC+9) while Buenos Aires, Argentina uses America/Argentina/Buenos Aires (UTC-3). 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 Tokyo and Buenos Aires, the working-hours overlap panel shows exactly when both cities are awake and at their desks.

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

More Tokyo conversions

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Hour-by-hour: Tokyo to Buenos Aires

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

00:00 · 12am12:00 · 12pm (−1d)

01:00 · 1am13:00 · 1pm (−1d)

02:00 · 2am14:00 · 2pm (−1d)

03:00 · 3am15:00 · 3pm (−1d)

04:00 · 4am16:00 · 4pm (−1d)

05:00 · 5am17:00 · 5pm (−1d)

06:00 · 6am18:00 · 6pm (−1d)

07:00 · 7am19:00 · 7pm (−1d)

08:00 · 8am20:00 · 8pm (−1d)

09:00 · 9am21:00 · 9pm (−1d)

10:00 · 10am22:00 · 10pm (−1d)

11:00 · 11am23:00 · 11pm (−1d)

12:00 · 12pm00:00 · 12am

13:00 · 1pm01:00 · 1am

14:00 · 2pm02:00 · 2am

15:00 · 3pm03:00 · 3am

16:00 · 4pm04:00 · 4am

17:00 · 5pm05:00 · 5am

18:00 · 6pm06:00 · 6am

19:00 · 7pm07:00 · 7am

20:00 · 8pm08:00 · 8am

21:00 · 9pm09:00 · 9am

22:00 · 10pm10:00 · 10am

23:00 · 11pm11:00 · 11am

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

Frequently asked questions

What is the time difference between Tokyo and Buenos Aires?

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

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

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

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

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

Do Tokyo and Buenos Aires 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.