At dusk, the streetlights come on all at once.
彼は暮れ方の空を写真に収めた。
He photographed the evening sky.
暮れ方 means dusk or nightfall, the opposite time of day from 明け方.
Standard kanji spelling.
Irregular okurigana usage; less common.
Compound of 暮れ (kure, 'end of day, dusk') + 方 (kata, 'direction, time'). The reading くれがた is a regular combination.