Как по будет восемь часов тридцать минут восемь часов пятнадцать минут десять часов сорок минут три часа десять минут пять часов

As English is eight minutes past eight
eight hours and fifteen minutes
ten hours and forty minutes
three hours and ten minutes
five hours

Eight o'clock thirty minutes
eight o'clock fifteen minutes
ten o'clock and forty minutes 
three o'clock ten minutes 
five o'clock