The clock on the wall shows the correct time.
The clock on the wall shows three o'clock.
Can I get an appointment for 2 o’clock?
Can I get an appointment for 3 o’clock?
I can come at 4 o'clock in the afternoon.
Is ten o'clock tomorrow morning available?
Do you have any appointments after 2 o’clock?
Do you have any appointments after 3 o’clock?
Do you have any appointments after 4 o’clock?
Do you have any appointments after 5 o’clock?
Our class starts at 9 o'clock in the morning.
I have my lunch between 1 o'clock and 2 o'clock.