It’s 22 to 6 (Official clock system).

05:38

It’s 22 to 6.

Correct answer

05:39

It’s 21 to 6.

Error: 1 minute later

04:50

It’s 10 to 5.

Error: read minutes starting from hour markings and adding minutes

08:25

It’s 25 past 8.

Error: confuse hour and minute hands