It’s 23 past 11 (Official clock system).

23:23

It’s 23 past 11.

Correct answer

23:22

It’s 22 past 11.

Error: 1 minute earlier

23:07

It’s 7 past 11.

Error: read minutes starting from hour markings and adding minutes

17:55

It’s 5 to 6.

Error: confuse hour and minute hands