It’s 10 to 9 (Official clock system).

08:50

It’s 10 to 9.

Correct answer

09:10

It’s 10 past 9.

Error: mirror minute hand about the vertical axis

10:52

It’s 8 to 11.

Error: confuse hour and minute hands and read as hours with ‘past’ or ‘to’

10:40

It’s 20 to 11.

Error: confuse hour and minute hands