《产经》云∶木用事
甲乙日生上寿，丙丁日生中寿，戊己日生死夭，庚辛日生不寿，壬癸日生下寿。
火用事
丙丁日生上寿，戊己日生中寿，庚辛日生死夭，壬癸日生不寿，甲乙日生下寿。
土用事
戊己日生上寿，庚辛日生中寿，壬癸日生死夭，甲乙日生不寿，丙丁日生下寿。
金用事
庚辛日生上寿，壬癸日生中寿，甲乙日生死夭，丙丁日生不寿，戊己日生下寿。
水用事
壬癸日生上寿，甲乙日生中寿，丙丁日生死夭，戊己日生短寿，庚辛日生小寿。
《产经》云∶木用事
木时生贵，火时生富，土时生死绝伤亡，金时生贫贱苦厄，水时生心有贵子。
火用事
火时生贵，土是生富，金时生绝伤亡，水时生贫贱多危，木时生有贵子。
土用事
土时生贵，金时生富，水时生绝伤亡，木时生贫贱苦厄，火时生有贵子。
金用事
金时生贵，水时生富，木时生绝伤亡，火时生贫贱苦厄，土时生有贵子。
水用事
水时生贵，木时生富，火时生绝伤亡，土时生贫贱苦厄，金时生有贵子。
《产经》云∶甲乙加时，丙丁加时，戊己加时，庚辛加时，壬癸加时。
寅卯 （熹时） 巳午 四季 申酉 亥子
亥子 （母时） 寅卯 巳午 四季 申酉
巳午 （子时） 四季 申酉 亥子 寅卯
申酉 （胜时） 亥子 寅卯 巳午 四季
四季 （忧时） 申酉 亥子 寅卯 巳午
子以熹时生富贵，算得千 ，訾千万，利父母。
子以母时生人爱，保财，孝顺。
子以子时生得算五百，訾千万，利父母。
子以胜时生，强梁辨自用，少财，可使兵事。
子以忧时生，忧苦，少时多患。
The *Chan Jing* (Classic of Childbirth) states: When Wood Qi is in command.
Those born on Jia or Yi days have a long lifespan; those born on Bing or Ding days have an average lifespan; those born on Wu or Ji days die young and have short lives; those born on Geng or Xin days have a lifespan that is not long; those born on Ren or Gui days have a relatively short lifespan.
When Fire Qi is in command.
Those born on Bing or Ding days have a long lifespan; those born on Wu or Ji days have an average lifespan; those born on Geng or Xin days die young and have short lives; those born on Ren or Gui days have a lifespan that is not long; those born on Jia or Yi days have a relatively short lifespan.
When Earth Qi is in command.
Those born on Wu or Ji days have a long lifespan; those born on Geng or Xin days have an average lifespan; those born on Ren or Gui days die young and have short lives; those born on Jia or Yi days have a lifespan that is not long; those born on Bing or Ding days have a relatively short lifespan.
When Metal Qi is in command.
Those born on Geng or Xin days have a long lifespan; those born on Ren or Gui days have an average lifespan; those born on Jia or Yi days die young and have short lives; those born on Bing or Ding days have a lifespan that is not long; those born on Wu or Ji days have a relatively short lifespan.
When Water Qi is in command.
Those born on Ren or Gui days have a long lifespan; those born on Jia or Yi days have an average lifespan; those born on Bing or Ding days die young and have short lives; those born on Wu or Ji days have a brief lifespan; those born on Geng or Xin days have a minimal lifespan.
The *Chan Jing* states: When Wood Qi is in command.
Those born during the Wood hour are noble; those born during the Fire hour are wealthy; those born during the Earth hour suffer from death, extinction, injury, and loss; those born during the Metal hour are poor, humble, bitter, and distressed; those born during the Water hour will have noble sons.
When Fire Qi is in command.
Those born during the Fire hour are noble; those born during the Earth hour are wealthy; those born during the Metal hour suffer from death, extinction, injury, and loss; those born during the Water hour are poor, humble, and prone to danger; those born during the Wood hour will have noble sons.
When Earth Qi is in command.
Those born during the Earth hour are noble; those born during the Metal hour are wealthy; those born during the Water hour suffer from death, extinction, injury, and loss; those born during the Wood hour are poor, humble, bitter, and distressed; those born during the Fire hour will have noble sons.
When Metal Qi is in command.
Those born during the Metal hour are noble; those born during the Water hour are wealthy; those born during the Wood hour suffer from death, extinction, injury, and loss; those born during the Fire hour are poor, humble, bitter, and distressed; those born during the Earth hour will have noble sons.
When Water Qi is in command.
Those born during the Water hour are noble; those born during the Wood hour are wealthy; those born during the Fire hour suffer from death, extinction, injury, and loss; those born during the Earth hour are poor, humble, bitter, and distressed; those born during the Metal hour will have noble sons.
The *Chan Jing* states: The addition of hours for Jia and Yi days, Bing and Ding days, Wu and Ji days, Geng and Xin days, Ren and Gui days.
Yin and Mao hours (Xi Hour / Favorable Hour), Si and Wu hours, Four Seasons months (Chen, Xu, Chou, Wei months), Shen and You hours, Hai and Zi hours.
Hai and Zi hours (Mu Hour / Mother Hour), Yin and Mao hours, Si and Wu hours, Four Seasons months, Shen and You hours.
Si and Wu hours (Zi Hour / Son Hour), Four Seasons months, Shen and You hours, Hai and Zi hours, Yin and Mao hours.
Shen and You hours (Sheng Hour / Victorious Hour), Hai and Zi hours, Yin and Mao hours, Si and Wu hours, Four Seasons months.
Four Seasons months (You Hour / Worrisome Hour), Shen and You hours, Hai and Zi hours, Yin and Mao hours, Si and Wu hours.
A child born during the Xi Hour (Favorable Hour) will be rich and noble, live up to a thousand years, possess assets worth ten million, and benefit their parents.
A child born during the Mu Hour (Mother Hour) will be loved by people, preserve wealth, and be filial.
A child born during the Zi Hour (Son Hour) will have a lifespan of five hundred years, possess assets worth ten million, and benefit their parents.
A child born during the Sheng Hour (Victorious Hour) will be strong, domineering, discerning yet self-willed, poor with little wealth, and suitable for military affairs.
A child born during the You Hour (Worrisome Hour) will experience sorrow and bitterness, and suffer from many illnesses in their youth.