It’s 9 past 9 (Official clock system).

21:09

It’s 9 past 9.

Correct answer

21:08

It’s 8 past 9.

Error: 1 minute earlier

21:01

It’s 1 past 9.

Error: read minutes starting from hour markings and adding minutes

14:45

It’s a quarter to 3.

Error: confuse hour and minute hands