Buenos Aires to Japan — exact time difference
Buenos Aires is 12 hours behind Japan. At noon in Buenos Aires, your contact in Japan sees 00:00.
Buenos Aires is in the America/Argentina/Buenos_Aires timezone. Japan is in Asia/Tokyo. The difference is 12 hours.
Working hours overlap
Buenos Aires and Japan have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.
Recommended meeting windows
Since Buenos Aires and Japan don't share working hours, these are the most practical options available.
04:00 Buenos Aires / 16:00 Tokyo⚡ One side off-hours
⚠️ 5h before working hours in Buenos Aires
09:00 Buenos Aires / 21:00 Tokyo⚡ One side off-hours
⚠️ 5h after working hours in Tokyo
16:00 Buenos Aires / 04:00 Tokyo⚡ One side off-hours
⚠️ 5h before working hours in Tokyo
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
Buenos Aires5 holidays
Aug 17General José de San Martín Memorial DaySOON
Oct 12Day of Respect for Cultural Diversity
Nov 23National Sovereignty Day
Dec 8Immaculate Conception Day
Dec 25Christmas Day
Japan5 holidays
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Nov 3Culture Day
Nov 23Labour Thanksgiving Day
Scheduling between Buenos Aires and Japan
Working across Buenos Aires (Argentina) and Japan (Japan) is a challenge — the 12-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.
💡 Scheduling tips for these locations
⚡When Buenos Aires is at 04:00, Japan reads 16:00 — 5h before working hours in Buenos Aires.
⚡When Buenos Aires is at 09:00, Japan reads 21:00 — 5h after working hours in Tokyo.
⚡When Buenos Aires is at 16:00, Japan reads 04:00 — 5h before working hours in Tokyo.
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Get the Extension — Free →Use the time slider above to find the exact equivalent time for any moment in Buenos Aires. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
