Учить правило. Прописать даты словами.

03/12 - third of December; 30/04 - thirtieth of April; 18/05 - eighteenth of May; 06/08 - sixth of August; 15/10 - fifteenth of October; 19/03 - nineteenth of March; 21/09 - twenty-first of September; 09/11 - ninth of November; 29/07 - twenty-ninth of July; 02/01 - second of January; 09/02 - ninth of February.