Well, Let's take some days from the Light Novel:
Volume 1:
1 day - Arrival and Sightseeing, entered Labyrinth
8 days - house arrested after Labyrinth.
Total: 9 days
Volume 2:
Day 1: House-looking, etc, etc, found Ratman.
Day 2: Mia, Cradle, Etc.
Day 3: Recovery from Cradle, preparation to leave...