It’s 1 past 11 (Alternative clock system).

23:01

It’s 1 past 11.

Correct answer

23:02

It’s 2 past 11.

Error: 1 minute later

23:13

It’s 13 past 11.

Error: read minutes starting from hour markings and adding minutes

12:55

It’s 5 to 1.

Error: confuse hour and minute hands