On the hour every hour there is a chance it has been 45 days exactly, since someone has not logged in and gone into their home. Check the city crystals on the hour, every hour. I have helped three friends find houses on the busiest server in the game, so if we can do it on Balmung you can do it on any server!

Don't take your time with it either, it's a race every time. If you see numbers on the list instead of a name, get to that plot ASAP!