nighttime

US /ˈnaɪt.taɪm/
UK /ˈnaɪt.taɪm/
"nighttime" picture
1.

noche, horario nocturno

the time between evening and morning; the time of darkness between one day and the next

:
The city lights sparkle beautifully at nighttime.
Las luces de la ciudad brillan hermosamente por la noche.
It's safer to travel during the day than at nighttime.
Es más seguro viajar durante el día que por la noche.