Wiki 500 Days Of Summer 2025 Schedule. Check out the 2025 calendar dates for holidays, big games, movie releases, award shows and more. January 17 marked the 10th anniversary of (500) days’ premiere at the 2009 sundance film festival — a milestone that shocks all three filmmakers.

January 17 marked the 10th anniversary of (500) days’ premiere at the 2009 sundance film festival — a milestone that shocks all three filmmakers. Weber, and produced by mark waters.