It’s 3 past 9 (Alternative clock system).

21:03

It’s 3 past 9.

Correct answer

21:04

It’s 4 past 9.

Error: 1 minute later

21:15

It’s a quarter past 9.

Error: read minutes starting from hour markings and adding minutes

13:45

It’s a quarter to 2.

Error: confuse hour and minute hands