Ullman says the hotel closes from October 30 until May 15. That places Closing Day around Halloween, but does not establish October 31 as its exact date.
The seasonal proximity offers a possible horror association. “A Month Later” then moves the story toward late November and the Thanksgiving period. Those associations provide a sense of ordinary American seasonal life beneath the film’s increasingly disorienting time structure; they are approximate, not a verified calendar.
In this image · No.37
“Eye Scream” and Halloween
The wordplay also nods to the Halloween horror-film framework and the potentially misleading Ghost Story. In No.5, Closing Day is identified as October 31.