3:30 - half past three a.m.
8:10 - ten minutes past eight a.m.
12:45 - a quarter to one p.m.
5:00 - five o'clock a.m.
11:20 - twenty minutes past eleven a.m.
9:35 - twenty five minutes to ten a.m.
3:45 - a quarter to four a.m.
2:55 - five minutes to three a.m.
