Vacuum Container How Long Would Air Last In A Vacuum Container At A Certain Temperature?

How long would air last in a vacuum container at a certain temperature? - vacuum container

Be maintain the temperature of up to 24 hours in an empty glass, but what about air? Let's say the air that the memory * 400 F is the empty cup. Then put in the freezer, which is -4 * F for 24 hours. What is the average temperature of the volume, if the cup size is empty?