It’s 28 past 11 (Official clock system).

23:28

It’s 28 past 11.

Correct answer

23:29

It’s 29 past 11.

Error: 1 minute later

23:08

It’s 8 past 11.

Error: read minutes starting from hour markings and adding minutes

18:55

It’s 5 to 7.

Error: confuse hour and minute hands