It’s 23 to 2 (Official clock system).

01:37

It’s 23 to 2.

Correct answer

01:38

It’s 22 to 2.

Error: 1 minute later

00:51

It’s 9 to 1.

Error: read minutes starting from hour markings and adding minutes

07:05

It’s 5 past 7.

Error: confuse hour and minute hands