It’s a quarter to 5 (Official clock system).

04:45

It’s a quarter to 5.

Correct answer

05:15

It’s a quarter past 5.

Error: mirror minute hand about the vertical axis

04:51

It’s 9 to 5.

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

09:45

It’s a quarter to 10.

Error: quarter to 10