- Aren't you here early, Uncle Willie?
- It's nearly half past 12:00!
- Well, it can't be.

8 seconds sound clip from the The Philadelphia Story movie soundboard.

You can hear this line at 01:27:22 in the Blu-ray version of the movie.

Quote context

[...]

- My, I'm hearty.

- Well, how do you feel otherwise?

- Oh, I don't know what's the matter with me. I must've had too much sun yesterday. My eyes don't open properly.

- Oh! Please go home, De-Dexter.

- Not until we've got those eyes open.

- Uncle Willie. Good morning.

- That remains to be seen.

- Aren't you here early, Uncle Willie?

- It's nearly half past 12:00!

- Well, it can't be.

- Where's Mother?

- She's talking with the orchestra. Father with the minister.

- And Mr. Connor, he hasn't come down yet.

- Mmm. And it's Saturday, your wedding day. Remember?

- Thanks loads. It's nice to have things accounted.

[...]