"The next day, the one after Preparation Day"

That's from Matthew 27.  Not much is said about the day after the Crucifixion.  I imagine this picture of the clouds would sum up the feelings of the early followers.  Christ said he would rise again.  The glimmer of blue behind the wall of grey here (to me) symbolizes how things looked.  Sad and grim but with a glimmer of hope for things to come...