9:25  = It"s twenty-five past nine a.m. 13:15= It"s quarter past one p.m. 23:25= It"s twenty-five past eleven p.m  6:15  = It"s quarter past six a.m. 7:30  = It"s hall past seven a.m  15:17= It"s seventeen past three p.m. 21:21= It"s twenty-one past nine p.m. 12:30= It"s hall past twelve a.m.