What is the meaning of "An Lang" in the Old Yellow Calendar?

In ancient times, it was said that there was a pregnant god, called the fetal god. Where is the fetal god, pregnant women must avoid it, otherwise they are afraid that the collision will lead to miscarriage or dystocia, resulting in the disaster of blood fainting.

Fetal god occupies the side: occupying the north inside the door.

In other words, the position occupied by the fetal god on this day is in the northwest of the house. Pheasant used to be a tool for processing rice into rice, just like a mill for grinding flour. The house is the room where a family processes rice.