It’s 20 past 2 (Official clock system).

02:20

It’s 20 past 2.

Correct answer

01:40

It’s 20 to 2.

Error: mirror minute hand about the vertical axis

02:04

It’s 4 past 2.

Error: read minutes as hours with ‘past’ or ‘to’

04:10

It’s 10 past 4.

Error: confuse hour and minute hands