It’s 29 past 3 (Official clock system).

15:29

It’s 29 past 3.

Correct answer

15:28

It’s 28 past 3.

Error: 1 minute earlier

15:05

It’s 5 past 3.

Error: read minutes starting from hour markings and adding minutes

18:15

It’s a quarter past 6.

Error: confuse hour and minute hands