It’s 7 to 8 (Official clock system).

19:53

It’s 7 to 8.

Correct answer

19:52

It’s 8 to 8.

Error: 1 minute earlier

18:47

It’s 13 to 7.

Error: read minutes starting from hour markings and adding minutes

23:35

It’s 25 to 12.

Error: confuse hour and minute hands