Time difference between Tokyo and Buenos Aires
Buenos Aires is 12 hours behind Tokyo
Right now
Tokyo
01:38
JST ·
UTC+9
Buenos Aires
13:38
ART ·
UTC-3
Best time for a call between Tokyo and Buenos Aires
Hours highlighted in green work for everyone on the list.
- 07:00 Tokyo 19:00 Buenos Aires
- 19:00 Tokyo 07:00 Buenos Aires
Hour by hour: Tokyo to Buenos Aires
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Tokyo (reference) | Buenos Aires | |
|---|---|---|
| 00:00 | 12:00 (previous day) | |
| 01:00 | 13:00 (previous day) | |
| 02:00 | 14:00 (previous day) | |
| 03:00 | 15:00 (previous day) | |
| 04:00 | 16:00 (previous day) | |
| 05:00 | 17:00 (previous day) | |
| 06:00 | 18:00 (previous day) | |
| ★ | 07:00 | 19:00 (previous day) |
| 08:00 | 20:00 (previous day) | |
| 09:00 | 21:00 (previous day) | |
| 10:00 | 22:00 (previous day) | |
| 11:00 | 23:00 (previous day) | |
| 12:00 | 00:00 | |
| 13:00 | 01:00 | |
| 14:00 | 02:00 | |
| 15:00 | 03:00 | |
| 16:00 | 04:00 | |
| 17:00 | 05:00 | |
| 18:00 | 06:00 | |
| ★ | 19:00 | 07:00 |
| 20:00 | 08:00 | |
| 21:00 | 09:00 | |
| 22:00 | 10:00 | |
| 23:00 | 11:00 |
Table built for August 27, 2026. The live values above update in your browser.
Daylight saving time
Neither city observes daylight saving time, so the difference is fixed all year.
Frequently asked questions
What is the time difference between Tokyo and Buenos Aires?
Buenos Aires is 12 hours behind Tokyo
What is the best time to call between Tokyo and Buenos Aires?
The most convenient slot is 07:00 Tokyo / 19:00 Buenos Aires. That keeps the call inside working hours in both cities.
Does the difference between Tokyo and Buenos Aires change during the year?
Neither city observes daylight saving time, so the difference is fixed all year.