This is the 1671st most frequent Catalan word.
quinzena
A period of fifteen days; a fortnight.
This usage shows 'quinzena' as a regular fifteen-day interval for completing a task.
Llegirem un llibre cada quinzena.
We will read a book every fortnight.
Here, 'quinzena' refers to an approximate set of fifteen items, in this case, cookies.
A la safata hi ha una quinzena de galetes.
There are about fifteen cookies on the tray.
In this sentence, 'quinzena' is used to signify a two-week period during which cultural events are organized.