It’s 5 past 8 (Alternative clock system).

20:05

It’s 5 past 8.

Correct answer

19:55

It’s 5 to 8.

Error: mirror minute hand about the vertical axis

20:13

It’s 13 past 8.

Error: read minutes as hours with ‘past’ or ‘to’

13:40

It’s 20 to 2.

Error: confuse hour and minute hands