It’s 9 past 11 (Official clock system).

23:09

It’s 9 past 11.

Correct answer

23:08

It’s 8 past 11.

Error: 1 minute earlier

23:01

It’s 1 past 11.

Error: read minutes starting from hour markings and adding minutes

14:55

It’s 5 to 3.

Error: confuse hour and minute hands