It’s 10 to 2 (Official clock system).

01:50

It’s 10 to 2.

Correct answer

02:10

It’s 10 past 2.

Error: mirror minute hand about the vertical axis

10:01

It’s 1 past 10.

Error: confuse hour and minute hands and read as hours with ‘past’ or ‘to’

10:05

It’s 5 past 10.

Error: confuse hour and minute hands