Now that Pilate has given Joseph of Arimathea permission to have the body, Joseph returns to the place of execution to take charge. He has to move quickly, because the sun is low, and once it sets, the Sabbath begins, during which no work can be done.

So Joseph bought some linen cloth, took down the body, wrapped it in the linen, and placed it in a tomb cut out of rock. – Mark 15:46