It’s 28 past 4 (Official clock system).

04:28

It’s 28 past 4.

Correct answer

04:27

It’s 27 past 4.

Error: 1 minute earlier

04:08

It’s 8 past 4.

Error: read minutes starting from hour markings and adding minutes

06:20

It’s 20 past 6.

Error: confuse hour and minute hands