Usages of petnaesti
Izlet počinje četrnaestog, a završava petnaestog svibnja.
The trip starts on the fourteenth, and ends on the fifteenth of May.
Moramo završiti projekt do petnaestog ili šesnaestog kolovoza.
We have to finish the project by the fifteenth or sixteenth of August.
Elon.io is an online learning platform
We have an entire course teaching Croatian grammar and vocabulary.