It’s 18 past 11 (Official clock system).

11:18

It’s 18 past 11.

Correct answer

11:19

It’s 19 past 11.

Error: 1 minute later

11:06

It’s 6 past 11.

Error: read minutes starting from hour markings and adding minutes

04:55

It’s 5 to 5.

Error: confuse hour and minute hands