Listen to 勤務時間 online. 勤務時間 is a Japanese language song and is sung by PositiveWorkスタイル. 勤務時間, from the album 在宅勤務ＢＧＭ；仕事の効率を上げる・集中力持続・フリーランス, was released in the year 2020. The duration of the song is 3:54. Download Japanese songs online from JioSaavn.