How many months did castle in the attic take place?

"Castle in the Attic" primarily takes place over a period of a few weeks to a couple of months. The story follows a young boy named William as he embarks on a magical adventure after discovering a castle in his attic. The timeline focuses on his experiences and challenges as he navigates this fantastical world, but it doesn't specify an exact number of months. Overall, the narrative is more about the journey than the specific passage of time.