What time is it?
It's twelve o'clock.
What's the time?
It's twelve-thirty. (OR: It's half past twelve.)
What's the time?
It's eight o'clock.
What time is it?
It's five o'clock.
What time is it?
It's seven o'clock.
What time is it?
It's one-thirty. (OR: It's half past one.)
What time is it?
It's nine o'clock.
What time is it?
It's four-thirty. (OR: It's half past four.)
What's the time?
It's two o'clock.
What's the time?
It's five-thirty. (OR: It's half past five.)
What's the time?
It's seven-thirty. (OR: It's half past seven.)
What's the time?
It's six o'clock.