It's two c'clock.
02.00/20.00
It's a quarter to twelve.
11.45/23.45
It's a quarter past five.
05.15/17.15
It's twenty to four.
03.40/15.40
It's twenty past seven.
07.20/19.20
It's twenty-five to two.
01.35/13.35
It's half past three.
03.30/15.30
It's five to five.
04.55/16.55