It's two thirty.
2:30
It's nine forty-five.
9:45
It's six o'clock.
6:00
It's eight forty-five.
8:45
It's seven thirty.
7:30
It's ten forty.
10:40
It's four o'clock.
4:00
It's five thirty.
5:30
It's 3 o'clock.
3:00
It's twelve o'clock.
12:00