It’s 12 past 6 (Official clock system).

06:12

It’s 12 past 6.

Correct answer

06:11

It’s 11 past 6.

Error: 1 minute earlier

06:04

It’s 4 past 6.

Error: read minutes starting from hour markings and adding minutes

02:30

It’s half past 2.

Error: confuse hour and minute hands