This is the 319th most frequent Croatian word.
veljače
"Veljače" means "February" in English.
In this sentence, "veljače" is genitive case of the noun 'veljača' to indicate possession for a specific day.
Prva veljače je čudan datum u kalendaru.
The first of February is an odd date in the calendar.
Here, "veljači" is the locative case of 'veljača', used after the preposition 'u' to denote a month during which something happens.
U veljači često pada snijeg.
In February, it often snows.
In this example, "veljače" is in the genitive case for 'veljača', used to indicate the duration of a state or action.