Tokyo to Buenos Aires Time Difference
Buenos Aires is 12 hours behind Tokyo. When it is noon in Tokyo, it is 00:00 in Buenos Aires.
Tokyo (UTC+9) → Buenos Aires (UTC-3)
🕐 Interactive Time Explorer
When it's 09:00 in Tokyo, it's 21:00 in Buenos Aires
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Buenos Aires◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
18,370 km
Est. Flight Time
~22.6h
Time Difference
-12h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Tokyo
18:00
Buenos Aires (-1)
09:00
Tokyo
21:00
Buenos Aires (-1)
12:00
Tokyo
00:00
Buenos Aires
15:00
Tokyo
03:00
Buenos Aires
18:00
Tokyo
06:00
Buenos Aires
21:00
Tokyo
09:00
Buenos Aires
00:00
Tokyo
12:00
Buenos Aires (-1)
03:00
Tokyo
15:00
Buenos Aires (-1)
Frequently Asked Questions
How many hours is Tokyo ahead of Buenos Aires?
Buenos Aires is 12 hours behind Tokyo. When it is 12:00 noon in Tokyo, it is 00:00 in Buenos Aires. Tokyo operates on Asia/Tokyo (UTC+9), while Buenos Aires uses America/Argentina/Buenos Aires (UTC-3).
What is the best time to call Buenos Aires from Tokyo?
Standard business hours (9 AM–5 PM) do not overlap between Tokyo and Buenos Aires due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Tokyo to Buenos Aires time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and Buenos Aires
The distance between Tokyo and Buenos Aires is approximately 18,370 km. A direct flight typically takes around 22.6 hours. Your arrival clock will show local Buenos Aires time — use our Flight Time Calculator to predict exact arrival times.