Dusk; the time when the sun sets and it begins to get dark (evening).
日暮れが近づくと、町の灯りが一つずつともった。
As dusk approached, the town's lights came on one by one.
日暮れ時に犬を散歩させるのが習慣だ。
It's my habit to walk the dog at dusk.
山の上から見る日暮れはとてもきれいだ。
The dusk seen from the mountain top is very beautiful.