This is the 8086th most frequent Polish word.
nocna
"Nocna" means "night" or "nighttime" when used as an adjective in Polish.
In this context, 'nocna' serves as an adjective describing the streetlight, highlighting its functionality during the night.
Latarnia uliczna nocna świeci jasno.
The night streetlight shines brightly.
Here, 'nocnej' is the genitive case singular form of the adjective 'nocna', modifying 'pora' to indicate that it refers to the nighttime hours.
W porze nocnej jest mniejszy ruch na ulicach.
During the nighttime, there is less traffic on the streets.
In this usage, 'nocnej' describes the pizzeria as being characterized by nighttime operation, using the locative case singular.