People make offerings to Zi Gu, the guardian angel for weak women, on the 11th day.
正月十一，人们供奉紫姑，紫姑是可怜女子的守护神。
This day is also for Yuefu (fathers-in-law) to entertain Nuxu (sons-in-law).
这一天也是岳父宴请子婿的日子。
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.
许多地方在这天之后会开始准备即将到来的灯节——正月十五。