It’s 5 past 6 (Alternative clock system).

18:05

It’s 5 past 6.

Correct answer

17:55

It’s 5 to 6.

Error: mirror minute hand about the vertical axis

18:13

It’s 13 past 6.

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

13:30

It’s half past 1.

Error: confuse hour and minute hands