Japan is 12 hours ahead of Argentina. When it's noon in Japan, it's 00:00 in Argentina.
Japan runs on Asia/Tokyo; Argentina runs on America/Argentina/Buenos_Aires. Together they are 12 hours apart.
Working hours overlap
There is no business hours overlap between Japan and Argentina during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
Japan and Argentina have no shared working window. These slots minimize out-of-hours disruption for both sides.
04:00 Tokyo / 16:00 Buenos Aires⚡ One side off-hours
⚠️ 5h before working hours in Tokyo
09:00 Tokyo / 21:00 Buenos Aires⚡ One side off-hours
⚠️ 5h after working hours in Buenos Aires
16:00 Tokyo / 04:00 Buenos Aires⚡ One side off-hours
⚠️ 5h before working hours in Buenos Aires
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
Japan7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Argentina8 holidays
Jun 15Anniversary of the Passing of General Martín Miguel de GüemesSOON
Jun 20General Manuel Belgrano Memorial DaySOON
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
Japan and Argentina — practical scheduling
Working across Japan (Japan) and Argentina (Argentina) 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.
💡 Practical scheduling guidelines
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A 04:00 meeting in Japan means 16:00 in Argentina (5h before working hours in Tokyo).
⚡
A 09:00 meeting in Japan means 21:00 in Argentina (5h after working hours in Buenos Aires).
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A 16:00 meeting in Japan means 04:00 in Argentina (5h before working hours in Buenos Aires).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Japan".
