It’s 19 past 11 (Alternative clock system).

23:19

It’s 19 past 11.

Correct answer

23:18

It’s 18 past 11.

Error: 1 minute earlier

23:03

It’s 3 past 11.

Error: read minutes starting from hour markings and adding minutes

16:55

It’s 5 to 5.

Error: confuse hour and minute hands