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

23:11

It’s 11 past 11.

Correct answer

23:12

It’s 12 past 11.

Error: 1 minute later

23:03

It’s 3 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