godzinie

In a sentence

• Spotkamy się o godzinie siódmej.

  We will meet at seven o'clock.

  Here, "godzinie" is used to indicate a specific time, instrumental case after the preposition "o."

• Rozmawialiśmy przez godzinie, zanim ustaliliśmy szczegóły.

  We talked for an hour before we settled the details.

  Here, "godzinie" appears incorrectly; correct Polish usage would be "godzinę," which is accusative singular, indicating a duration of time.

• O której godzinie zaczyna się film?

  At what time does the movie start?

  Here, "godzinie" is used as locative case to discuss a specific time reference.