It's half past one
it's quarter to eight
it's five minutes past eight
it's twenty minutes past nine
it's six minutes to seven
it's half past ten
it's quarter to six
it's twenty minutes to eight
it's twelve minutes to six
it's half past three
есть много разных способов, но я лично чаще пользуюсь этими. вроде всё правильно, за одно и сама вспомнила :)