It’s 1 to 5 (Official clock system).

04:59

It’s 1 to 5.

Correct answer

05:00

It’s 5 o’clock.

Error: 1 minute later

03:49

It’s 11 to 4.

Error: read minutes starting from hour markings and adding minutes

12:20

It’s 20 past 12.

Error: confuse hour and minute hands