We reached London at midnight.
You may go to the party, but you must be home by midnight.
He rang me up at midnight.
Susie sat up until midnight, when she heard a strange noise.
I heard a strange sound in the dead of night.
Get back before midnight, or you will be locked out.
Midnight is when ghosts are thought to walk the earth.
A midnight telephone call gives us both shock and displeasure.
He did not return home till midnight.
The midnight sun is a fantastic natural phenomenon.