It’s 24 past 12 (Official clock system).

12:24

It’s 24 past 12.

Correct answer

12:23

It’s 23 past 12.

Error: 1 minute earlier

12:04

It’s 4 past 12.

Error: read minutes starting from hour markings and adding minutes

17:00

It’s 5 o’clock.

Error: confuse hour and minute hands