Japan is 8 hours ahead of Nigeria. When Japan clocks hit noon, Nigeria reads 04:00.
Japan observes Asia/Tokyo and Nigeria observes Europe/Lisbon — a 8 hours gap between them.
Working hours overlap
When Japan is in standard working hours, Nigeria is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between Japan and Nigeria. Showing the most balanced options with minimal inconvenience for both locations.
16:00 Tokyo / 08:00 Lagos⚡ One side off-hours
⚠️ 1h before working hours in Lagos
17:00 Tokyo / 09:00 Lagos⚡ One side off-hours
⚠️ 1h after working hours in Tokyo
15:00 Tokyo / 07:00 Lagos⚡ One side off-hours
⚠️ 2h before working hours in Lagos
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Japan7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Nigeria5 holidays
Jun 12Democracy DaySOON
Oct 1National Day
Nov 1National Youth Day
Dec 25Christmas Day
Dec 28Boxing Day
Working across Japan and Nigeria
Working across Japan (Japan) and Nigeria (Portugal) is a challenge — the 8-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.
💡 Best practice for cross-timezone meetings
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16:00–17:00 in Japan corresponds to 08:00–09:00 in Nigeria (1h before working hours in Lagos).
⚡
17:00–18:00 in Japan corresponds to 09:00–10:00 in Nigeria (1h after working hours in Tokyo).
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15:00–16:00 in Japan corresponds to 07:00–08:00 in Nigeria (2h before working hours in Lagos).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Japan time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
