It’s 14 to 8 (Official clock system).

19:46

It’s 14 to 8.

Correct answer

19:45

It’s a quarter to 8.

Error: 1 minute earlier

18:50

It’s 10 to 7.

Error: read minutes starting from hour markings and adding minutes

21:35

It’s 25 to 10.

Error: confuse hour and minute hands