In Germany , Walpurgisnacht , the night from 30 April to 1 May , is the night when witches are reputed to hold a large celebration on the Brocken and await the arrival of spring .
In Germany , Walpurgisnacht , the night from April 30 to May 1 , is the night when allegedly the witches hold a large celebration on the Blocksberg and await the arrival of Spring .