According to the theory of geomantic omen, auspicious days should also be chosen for digging wells, and the best time is/kloc-0 from winter solstice to June 22nd from summer solstice.
Digging a well is to dig from a piece of land, find groundwater, and then enclose it with stones to make a well. Drilling rigs are mainly used to develop groundwater resources, including domestic water, agricultural water and industrial water, and are also suitable for hydrogeological exploration, construction engineering and bridge foundation drilling.