This is the 807th most frequent Croatian word.
dane
"Dane" in Croatian means "days."
In this sentence, 'dani' is the nominative plural form of 'dan', used as the subject of the sentence.
Moji najsretniji dani bili su tijekom ljeta.
My happiest days were during the summer.
Here, 'dane' is the accusative plural form of 'dan', used to indicate the complement of the verb 'provoditi' (to spend).
Provodim dane u učenju novih jezika.
I spend days learning new languages.
Here, 'dane' serves as the accusative plural form of 'dan', preceded by the preposition 'kroz' (through), indicating duration or time span.