Come here at six, not before.

The train left at five o'clock to the minute.

The plane took off at exactly ten o'clock.

The airplane arrived at 9:03 to the minute.

The plane landed at 6 o'clock to the minute.

He appeared at 5 o'clock to the minute.

He came home exactly at ten.

The bullet train we were on pulled out at 12 sharp.

The meeting began at nine o'clock sharp.

Our plane took off exactly on time at six.

The plane took off at exactly ten o'clock.

Kate came at five sharp.

I'd like breakfast in my room at 8 sharp.

Don't fail to be here at 7 o'clock sharp.

Please come here at 3 o'clock precisely.

Come at ten o'clock sharp.

It's ten o'clock sharp.

The plane arrived exactly at nine.

I got home at exactly 2:30.