It’s 23 to 12 (Official clock system).

11:37

It’s 23 to 12.

Correct answer

11:36

It’s 24 to 12.

Error: 1 minute earlier

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