Understanding time units Quiz Welcome to your Understanding time units Quiz Please click "Next" What time does the cock show 12:05 pm 3:03 pm 4:00 pm None Convert into a 24 hour system 7:15 pm 14:15 19:15 17:15 None Convert into a 12 hour system 13:09 1:09 pm 7:09 pm 3:09 pm None What time is it based on a 12 hour system 14:50 2:58 am 3:58 pm None What time is it based on a 12 hour system 2:40 pm 10:40 am 10:40 pm None Time's up