Portugal is 8 hours behind Japan. At noon in Portugal, your contact in Japan sees 20:00.
Portugal runs on Europe/Lisbon; Japan runs on Asia/Tokyo. Together they are 8 hours apart.
Daily overlap window
There is no business hours overlap between Portugal and Japan during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
Portugal and Japan have no shared working window. These slots minimize out-of-hours disruption for both sides.
08:00 Lisbon / 16:00 Tokyo⚡ One side off-hours
⚠️ 1h before working hours in Lisbon
09:00 Lisbon / 17:00 Tokyo⚡ One side off-hours
⚠️ 1h after working hours in Tokyo
07:00 Lisbon / 15:00 Tokyo⚡ One side off-hours
⚠️ 2h before working hours in Lisbon
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.
Portugal9 holidays
Jun 10National DaySOON
Jul 1Madeira Day
Aug 15Assumption Day
Oct 5Republic Day
Nov 1All Saints Day
Japan7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Scheduling between Portugal and Japan
Coordinating between Portugal (Portugal) and Japan (Japan) means working around a 8-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 Scheduling tips for these locations
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A 08:00 meeting in Portugal means 16:00 in Japan (1h before working hours in Lisbon).
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A 09:00 meeting in Portugal means 17:00 in Japan (1h after working hours in Tokyo).
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A 07:00 meeting in Portugal means 15:00 in Japan (2h before working hours in Lisbon).
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 Portugal".
