Usages of por
Cenamos en la terraza por la noche.
We have dinner on the terrace at night.
Encendemos una fogata para descansar en la playa por la noche.
We light a campfire to rest on the beach at night.
La temperatura suele bajar por la noche.
The temperature tends to drop at night.
Según el calendario, la reunión es el lunes por la tarde.
According to the calendar, the meeting is on Monday afternoon.
Por la noche vemos una serie famosa; ya vamos por la tercera temporada.
At night we watch a famous series; we are already on the third season.
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