4:00
It's four o'clock
17:00
It's 5 o'clock
2:00
It's two o'clock
15:00
It's 3 o'clock
9:00
It's 9 o'clock
18:00
It's 6 o'clock
1:00
It's 1 o'clock
14:00
It's 2 o'clock
8:00
It's 8 o'clock
23:00
It's 11 o'clock