1. Hours of the day that occur during nighttime, typically between sunset and sunrise
Night shift workers are paid extra for working during night hours.
Os trabalhadores do turno noturno recebem extra por trabalhar durante as horas noturnas.
2. Late evening and early morning hours, especially those considered unconventional for activity
The club stays open during the late night hours.
A boate fica aberta durante as horas noturnas mais tardias.