The authorized power from sunset to sunrise was 30 watts.
Europe and West Africa had moved from sunset to night.
It had gone from sunset to full dark in the time they'd been walking.
This is also true for the period from sunset to sunset.
This was a night mission that would take from sunset to sunrise.
For safety reasons, the area is closed from sunset to sunrise.
So they talked during the hour from sunset to dark.
"From sunset to sunrise there must be white lights about eight feet above the water so that other boats can see you for one mile."
From sunset till sunrise, they say that the sun is asleep.
Well, first there is the curfew from sunset to sunrise: everyone must be in his own home during the hours of darkness.