Time Difference Between Argentina and Tokyo
As of 31 August 2026, Tokyo is 12 hours ahead of Argentina. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
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Buenos Aires, Argentina
19:34
Mon, Aug 31, 2026
UTC-3 · America/Argentina/Buenos_Aires
Tokyo, Japan
+12h07:34
Tue, Sep 1, 2026
UTC+9 · Asia/Tokyo
Tokyo is 12 hours ahead of Argentina.
When it is 19:34 in Argentina, it is already the next day in Tokyo.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Argentina | Monday, August 31, 2026 | America/Argentina/Buenos_Aires | UTC-3 | Not observed |
| Tokyo | Tuesday, September 1, 2026 | Asia/Tokyo | UTC+9 | Not observed |
Hour by hour: Argentina to Tokyo
Every hour of today in Argentina and what it is in Tokyo. Highlighted rows fall inside Tokyo working hours (09:00–18:00).
| Argentina | Tokyo |
|---|---|
| 00:00 | 12:00 |
| 01:00 | 13:00 |
| 02:00 | 14:00 |
| 03:00 | 15:00 |
| 04:00 | 16:00 |
| 05:00 | 17:00 |
| 06:00 | 18:00 |
| 07:00 | 19:00 |
| 08:00 | 20:00 |
| 09:00 | 21:00 |
| 10:00 | 22:00 |
| 11:00 | 23:00 |
| Argentina | Tokyo |
|---|---|
| 12:00 | 00:00next day |
| 13:00 | 01:00next day |
| 14:00 | 02:00next day |
| 15:00 | 03:00next day |
| 16:00 | 04:00next day |
| 17:00 | 05:00next day |
| 18:00 | 06:00next day |
| 19:00 | 07:00next day |
| 20:00 | 08:00next day |
| 21:00 | 09:00next day |
| 22:00 | 10:00next day |
| 23:00 | 11:00next day |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Argentina and Tokyo never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–09:00 in Argentina (20:00–21:00 in Tokyo)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Neither Argentina nor Tokyo changes its clocks, so the difference of 12 hours stays the same all year.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Argentina and Tokyo: common questions
What is the time difference between Argentina and Tokyo?
Tokyo is 12 hours ahead of Argentina, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Argentina, what time is it in Tokyo?
It is 09:00 PM in Tokyo, Japan. Use the time field in the calculator above to check any other hour.
Is Tokyo ahead of or behind Argentina?
Tokyo is ahead of Argentina by 12 hours at the moment. In practical terms, the working day in Tokyo starts and ends earlier in Argentina terms.
Do Argentina and Tokyo observe daylight saving time?
Neither Argentina nor Tokyo observes daylight saving time, so the difference stays at 12 hours all year.
What is the best time to call Tokyo from Argentina?
Standard working hours in Argentina and Tokyo do not overlap at all, so one side has to take the call outside office hours. Early morning in Argentina or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Buenos Aires, Argentina (UTC-3) and Tokyo, Japan (UTC+9) were generated on Monday, August 31, 2026 UTC and refresh in your browser.