It’s 9 a.m..

09:00

It’s 9 a.m..

Correct answer

09:00

It’s 9 o’clock.

Error: read full hour with 0 minutes past

09:00

It’s 9 o’clock.

Error: read hours as a factor of 10

09:00

It’s 9 o’clock.

Error: read hours as a factor of 100