What is this movie called! its either in theatres or coming!?!

okay so i was in the movies watching twilight and previews were playing and this movie came up and it was about a little boy and the community opening up a time capsule and the little boy get this paper and it has a bunch of numbers written on it and he brings it home and his father asks why he brought it home and he wasnt alllowed to so then the boy says there just numbers and i think they mean someting so the dad studys it and realizes that they are days that something bad happened and i really want to figure out what this movie is called and its really bugging me that i cant remember pllzz help!Www@Enter-QA@Com

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