At twenty minutes to the hour, Malfoid takes the watch off the table and puts it in her pocket, which nobody notices for a while.

CorvinaWhat are you doing.

MalfoidRemoving the only thing in this room that has ever made her cry. The clause says an hour. It does not say with a clock.

Corvina looks at her for a long moment and then says that it is the first piece of actual legal argument anybody has made all night.