🇯🇵 Tokyo to 🇦🇷 Buenos Aires time
Buenos Aires is 12 hours behind Tokyo
Convert a specific time
When it is in Tokyo, it is 21:00 in Buenos Aires.
Popular conversions
9 am in Tokyo is 9 pm the previous day in Buenos Aires. 10 am in Tokyo is 10 pm the previous day in Buenos Aires. 11 am in Tokyo is 11 pm the previous day in Buenos Aires. 12 pm in Tokyo is 12 am in Buenos Aires. 3 pm in Tokyo is 3 am in Buenos Aires. 5 pm in Tokyo is 5 am in Buenos Aires. 6 pm in Tokyo is 6 am in Buenos Aires. 8 pm in Tokyo is 8 am in Buenos Aires.
Tokyo to Buenos Aires — hour by hour
Jump to: 9 am 10 am 11 am 12 pm 3 pm 5 pm 6 pm
| 00:00 | 12:00 −1d |
| 01:00 | 13:00 −1d |
| 02:00 | 14:00 −1d |
| 03:00 | 15:00 −1d |
| 04:00 | 16:00 −1d |
| 05:00 | 17:00 −1d |
| 06:00 | 18:00 −1d |
| 07:00 | 19:00 −1d |
| 08:00 | 20:00 −1d |
| 09:00 | 21:00 −1d |
| 10:00 | 22:00 −1d |
| 11:00 | 23:00 −1d |
| 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 |
Time difference by month (2026)
How far Buenos Aires runs ahead (+) or behind (−) Tokyo on the 15th of each month.
| Jan | −12h |
| Feb | −12h |
| Mar | −12h |
| Apr | −12h |
| May | −12h |
| Jun | −12h |
| Jul | −12h |
| Aug | −12h |
| Sep | −12h |
| Oct | −12h |
| Nov | −12h |
| Dec | −12h |
This difference holds all year — neither city's clock changes affect it.
Time difference between Tokyo and Buenos Aires
Buenos Aires (America/Argentina/Buenos_Aires) is currently 12 hours behind Tokyo (Asia/Tokyo). When it is 09:00 in Tokyo, it is 21:00 in Buenos Aires. Neither city observes daylight saving time, so this difference stays the same all year.
Best time to call between Tokyo and Buenos Aires
For a call or meeting, there is no overlap between normal working hours (09:00–18:00) in the two cities — one side will need an early morning or late evening call.
Going the other way?
See the reverse conversion: Buenos Aires to Tokyo time, or the city pages for Tokyo and Buenos Aires.
FAQ: Tokyo to Buenos Aires time
What is the time difference between Tokyo and Buenos Aires?
Buenos Aires is 12 hours behind Tokyo right now. This difference holds all year — neither city's clock changes affect it.
What time is 9 am in Tokyo in Buenos Aires?
When it is 9:00 am in Tokyo, it is 9 pm in Buenos Aires. The hour-by-hour table above covers every other hour of the day.
How do I convert Tokyo time to Buenos Aires time?
Subtract 12 hours from Tokyo local time to get Buenos Aires time. Or type any time into the converter above and read the result instantly.