Denotes the period of darkness from sunset to sunrise, following the day. It's typically when people finish work, have dinner, relax, and sleep. This term covers both evening and deep night.

日(ひ)没(ぼつ)から日(ひ)の出(で)までの暗(くら)い時間(じかん)帯(たい)。仕事(しごと)の後(あと)、食事(しょくじ)、リラックス、睡眠(すいみん)を取(と)る時間(じかん)です。