It’s 6 to 12 (Official clock system).

11:54

It’s 6 to 12.

Correct answer

11:55

It’s 5 to 12.

Error: 1 minute later

10:50

It’s 10 to 11.

Error: read minutes starting from hour markings and adding minutes

10:54

It’s 6 to 11.

Error: confuse hour and minute hands and read as nearest hour