Thank you, Terra Nova.
This is very useful information indeed.
Do you know the reset time for NPC Houses, Castles, Farm Crops, Forest Flowers, & Mines?
And what is "cells"? Prison Cells?
A "cell" is a location that has to load, like a dungeon, mine, or house. It's like an instance in WoW. So NPC houses and castles would fall under that category and reset after 30 days.
Farm crops, flowers, etc, are all outdoors, and so they would respawn every 10 days.