Capcom's survival horror title Dead Rising, canonically starts on what day of September 2006?

The survival horror title "Dead Rising" by Capcom canonically starts on September 19th, 2006. The game's narrative revolves around photojournalist Frank West who arrives at the fictional town of Willamette, Colorado, to investigate strange happenings. His helicopter drops him off on the town's rooftop mall on September 19th, marking the beginning of the game's events as he battles hordes of zombies and uncovers the dark secrets behind the outbreak. Therefore, September 19th is the established starting point of the story in "Dead Rising."