A grave can manage several generations.

Generally three generations.

There is a saying in geomantic omen that one grave manages three generations. However, the length of time to manage graves of different sizes is different. For example, in ancient emperors' houses, ancestral graves can be managed for more than 300 years, and small graves can only be managed for about 20 to 30 years. There is no accurate definition of these metaphysical statements, and everyone should judge them according to the actual situation.

In life, untimely refers to the period of noon 13: 00- 15: 00. It is obviously after 3 pm that the sun begins to set, and it is dusk soon after the sun sets. In the old man's words, the sun is weak, so it is very inappropriate to go to a place with extremely heavy "yin".