It’s 18 past 3 (Official clock system).

03:18

It’s 18 past 3.

Correct answer

03:19

It’s 19 past 3.

Error: 1 minute later

03:06

It’s 6 past 3.

Error: read minutes starting from hour markings and adding minutes

04:15

It’s a quarter past 4.

Error: confuse hour and minute hands