It’s 29 to 12 (Official clock system).

11:31

It’s 29 to 12.

Correct answer

11:30

It’s half past 11.

Error: 1 minute earlier

10:53

It’s 7 to 11.

Error: read minutes starting from hour markings and adding minutes

06:55

It’s 5 to 7.

Error: confuse hour and minute hands