Does the time difference between Lagos and Manila change during the year?

No. The gap stays at 7h all year.

When is the best time to call Manila from Lagos?

Between 09:00 and 10:00 in Lagos, which is 16:00 to 17:00 in Manila.

Lagos is 7h behind Manila. This gap is the same all year — neither city shifts its clocks relative to the other.

Lagos

Nigeria

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Manila

Philippines

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A 9-to-5 day in each city overlaps for 1h. That is 09:00–10:00 in Lagos, which is 16:00–17:00 in Manila.

City	Time zone	UTC offset
Lagos · Nigeria	Africa/Lagos	UTC+1
Manila · Philippines	Asia/Manila	UTC+8

What is the time difference between Lagos and Manila?: Lagos is 7h behind Manila. This gap is the same all year — neither city shifts its clocks relative to the other.
Does the time difference between Lagos and Manila change during the year?: No. The gap stays at 7h all year.
When is the best time to call Manila from Lagos?: Between 09:00 and 10:00 in Lagos, which is 16:00 to 17:00 in Manila.