What do you mean by "sitting north to south"? Why does everyone pursue it?

Sitting facing south is a term used to describe the orientation of a house, that is, the house is located on the north side, the back of the house faces north, and the door opens on the south side. As early as the primitive society, the ancestors of China built village houses in the direction of sitting north facing south, and most of the houses discovered by archaeology had their doors facing south. Sitting north facing south at present basically means that the main functional rooms (such as living room and master bedroom) of the house face south, or the main lighting surface of the house is on the south side.

The orientation of houses is mainly to consider the need of lighting. In the northern hemisphere, bungalows are all facing south. This is conducive to lighting, can maximize the acceptance of sunlight.

Extended information

China is located in the northern hemisphere of the earth and the eastern part of Eurasia, and most of the land is located to the north of the Tropic of Cancer (north latitude). The sun mostly rises from the east to the south and sets from the west. In winter, the sun's altitude angle is small, and the doors and windows of the house face south, which can make more oblique sunlight enter the room, thus improving the indoor temperature.

In summer, when the sun's altitude angle increases, the light from doors and windows is relatively less, thus keeping the room cool. Then, most of China is located in the East Asian monsoon region, with houses facing south. In midsummer, it can avoid the direct sunlight in the hottest afternoon, and in winter, it can avoid the cold wind in the northwest, which plays a role in preventing cold and keeping warm.

Baidu Encyclopedia-Sitting facing south

Baidu Encyclopedia-Sitting towards the house