(1) direct method
Eight a. m.
Nine o'clock in the evening
Six six six six three two six three two
Eight o'clock sharp.
(2) Borrowing preposition method
Quarter to nine, eight forty-five.
five to eight
Seven fifty-four to six to eight.
half past six
(3) the usage of punctuality
Eleven o'clock sharp, 1 1 hour sharp
At 1 1 point on the hour.
At the time 1 1 point.
Noon 12 noon
At midnight 12 midnight
(Note: 12: 22 can be read as: 22: 20: 22 (British saying); Twenty-two after twenty (American expression)
1 point 15 can be read as: one fifth; 1: 15 (UK): 1: 15 (US and UK)
Eight fifty can be read as: eight fifty; ; Ten to nine (UK); 9: 10 (American expression)
1: 40 can be read as: a forty; ; Twenty to two (UK); Twenty before two o'clock (American expression)
"Half an hour in advance" is available: half an hour in advance; ; Thirty minutes in advance; Half an hour in advance; Half an hour in advance; Half an hour in advance and so on. For more knowledge points, please pay attention to the English course of general education primary school in Beijing New Oriental Primary School.