19:38 - It is twenty two (minutes) to eight,22:12 - It is twelve (minutes) past ten, 24:00 - It is twelve o\'clock at night,6:50 - It is ten (minutes) to seven.19:38 It is seven thirty eight,22:12 - It is ten twelve,24:00 такой же ответ как и в первом варианте,6:50 It is six fifty.