How to judge the geographical orientation of the house?

First, you stand on the roof of your house. If you know your orientation, then you know the orientation of your house. Simply put, if your home is not in a very extreme geographical location, such as the North and South poles, then you face the sun in the morning, then your front is the east, your rear is the west, your left hand is the north, and your right hand is the south (if you have hands).