What do you mean by closing accounts in the yellow calendar?

"Closing accounts in the Gregorian calendar refers to making mosquito nets and sewing mosquito nets for the bride and groom. Bed setting and account setting are usually combined into one, sometimes called "bed setting and account setting".

This should refer to the placement of curtains. The "yi" and "taboo" in the yellow calendar refer to what is suitable and not suitable for this day.

Sacrifice: China traditional custom uses offerings and rituals to offer sacrifices to ancestors in ancestral temples or to gods in temples.