It’s 22 past 10 (Official clock system).

22:22

It’s 22 past 10.

Correct answer

22:21

It’s 21 past 10.

Error: 1 minute earlier

22:06

It’s 6 past 10.

Error: read minutes starting from hour markings and adding minutes

16:50

It’s 10 to 5.

Error: confuse hour and minute hands