PROBLEMA NUM: 5056 - CATEGORIA: generici - DIFFICOLTA': ***

After school, Emma had a science club meeting for 45 minutes, followed by a choir rehearsal that lasted for 1 hour and 45 minutes. The choir rehearsal ended at 6:15 P.M.
What time did the science club meeting begin? Include A.M. or P.M. in your answer (for example, 11:58 A.M.).