It’s 10 past 3 (Official clock system).

15:10

It’s 10 past 3.

Correct answer

14:50

It’s 10 to 3.

Error: mirror minute hand about the vertical axis

15:14

It’s 14 past 3.

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

14:15

It’s a quarter past 2.

Error: confuse hour and minute hands