User blog comment:Omega natsu2/Fairy Tail Episode 206: Panic of Library, Review./@comment-99.244.147.114-20141102212922/@comment-7418318-20141103105101

Half a day? You seriously think that Natsu was getting a beating by Taurus for twelve full hours?

A coulpe of minutes is far more likely...

As for the matter of "falling" out of the Spirit World, remember that right now the two worlds have started to blend together. That might leave spots of overlap through which one could travel between the worlds.

Furthermore when a Spirit enters the Human World, they do so through a "door" which stays open until the Spirit returns. Maybe that is the reason why Natsu ended up exactly where Virgo was.