How much time passes through out the book Holes by Louis Sachar by Louis Sachar?

In "Holes" by Louis Sachar, the narrative spans several years, intertwining events from the past and present. The main storyline occurs over a few months at Camp Green Lake, where the protagonist, Stanley Yelnats, is sent for a juvenile offense. Flashbacks reveal key events in Stanley's family history and the curse of his great-great-grandfather, which also contribute to the overall timeline. The dual narratives effectively illustrate the connection between past and present, culminating in a resolution that ties together multiple generations.