It’s 27 to 12 (Official clock system).

11:33

It’s 27 to 12.

Correct answer

11:34

It’s 26 to 12.

Error: 1 minute later

10:51

It’s 9 to 11.

Error: read minutes starting from hour markings and adding minutes

07:55

It’s 5 to 8.

Error: confuse hour and minute hands