Japan is 12 hours ahead of Brazil. At noon in Japan, your contact in Brazil sees 00:00.
Japan runs on Asia/Tokyo; Brazil runs on America/Sao_Paulo. Together they are 12 hours apart.
Working hours overlap
There is no business hours overlap between Japan and Brazil 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 Brazil have no shared working window. These slots minimize out-of-hours disruption for both sides.
04:00 Tokyo / 16:00 São Paulo⚡ One side off-hours
⚠️ 5h before working hours in Tokyo
09:00 Tokyo / 21:00 São Paulo⚡ One side off-hours
⚠️ 5h after working hours in São Paulo
16:00 Tokyo / 04:00 São Paulo⚡ One side off-hours
⚠️ 5h before working hours in São Paulo
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
Japan7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Brazil7 holidays
Jul 9Constitutionalist Revolution of 1932
Sep 7Independence Day
Oct 12Our Lady of Aparecida
Nov 2All Souls' Day
Nov 15Republic Proclamation Day
Scheduling between Japan and Brazil
Working across Japan (Japan) and Brazil (Brazil) 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
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A 04:00 meeting in Japan means 16:00 in Brazil (5h before working hours in Tokyo).
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A 09:00 meeting in Japan means 21:00 in Brazil (5h after working hours in São Paulo).
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A 16:00 meeting in Japan means 04:00 in Brazil (5h before working hours in São Paulo).
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".
