The ninth day is called Ti Kong Dan, or the birthday of the Jade Emperor. There will be grand ceremonies in Taoist temples on this day, and ordinary families also offer sacrifices to the Jade Emperor.
The 10th day is believed to be the birthday of the God of Stone which played a very important role in the agricultural society of ancient China.
On this day, people are forbidden to move any stone, including stone rollers, stone mills and herb grinders, and should not cut into a mountain for rock or build a house with rocks, otherwise bad things will happen to the crops.
People also burn incense and candles for the stones and offer pancake to the God of Stone.
People make offerings to Zi Gu, the guardian angel for weak women, on the 11th day.
This day is also for Yuefu (fathers-in-law) to entertain Nuxu (sons-in-law).
In many areas, after this day, people will start preparing for the upcoming Lantern Festival which is on the 15th day of the 1st month.
