It’s 18 past 5 (Official clock system).

05:18

It’s 18 past 5.

Correct answer

05:17

It’s 17 past 5.

Error: 1 minute earlier

05:06

It’s 6 past 5.

Error: read minutes starting from hour markings and adding minutes

04:25

It’s 25 past 4.

Error: confuse hour and minute hands