how long did it take to make the movie twilight
44 days.
Twilight (2008 film)
 Principal photography took 44 days and was completed on May 2, 2008; the film was primarily shot in Oregon.
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Twilight (2008 film) [SEP] Introduction
Summit Entertainment acquired the rights to the novel after three years of the project's stagnant development. Melissa Rosenberg wrote a new adaptation of the novel shortly before the 2007–2008 Writers Guild of America strike and sought to be faithful to the novel's storyline. Principal photography took 44 days and was completed on May 2, 2008; the film was primarily shot in Oregon. "Twilight" was theatrically released on November 21, 2008; it grossed over US$393 million worldwide. It was released on DVD March 21, 2009 and became the most purchased DVD of the year. The soundtrack was released on November 4, 2008.