also: こうこん
noun
The time of day when the sun has set but it is not yet completely dark; often carries a poetic or slightly nostalgic tone.
黄昏の空が美しい。
The twilight sky is beautiful.
彼は黄昏時に散歩するのが好きだ。
He likes taking a walk at dusk.
noun
twilight years; declining years
Metaphorical use referring to the later stage of life, akin to the fading light of dusk.
彼は人生の黄昏を静かに過ごした。
He quietly spent the twilight years of his life.
noun
melancholy; wistful nostalgia
Only with reading たそがれ
Colloquial use, often in the phrase 黄昏る (tasogareru), describing a state of sentimental melancholy or pensive nostalgia, especially at dusk.
夕暮れに一人でいると、なんだか黄昏ちゃうよね。
When you're alone at dusk, you kind of get all wistful, don't you?