User blog comment:Miskos3/Fairy Tail Chapter 334: Sin and Sacrifice, Review/@comment-203.215.121.20-20130608014243/@comment-203.215.121.20-20130608014943

just a wild guess. since Future Levy and Future Lucy is from the same timeline. In that premonition, Levy was writing something to Lucy a few days after the end of Grand Magic Games. Future Lucy mentioned that she woke up several days after the Grand Magic Games. Probably a few days after that Levy scene.