I’m sure you realize that June is almost over. Therefore, you’ll to move into Malfoy Manor on the 27th of June. The wedding will be held less than a week after that. The reason we want you to move in prior is to study the house. It will raise suspicion amongst some guests if you won’t be able to find your way around the house. You are allowed to choose the exact date yourselves, along with dealing with decoration, most of the guest list and entertainments.