gui-si day pillar

All three stems inside 巳 are yang and 癸 is yin, so every reading here is one of the direct kinds: 丙 is Direct Wealth, 庚 is Direct Resource and 戊 is Direct Officer. Few branches give so tidy a result. The stem controls the fire of the branch on the element count.

The word Conception comes from reversing 癸 from 卯. The water line of 五行大義 runs forward and says 受氣於巳, water receives breath at 巳, which is the step before conception in that book. Older and later counts therefore share a neighborhood and disagree on the exact seat.

長流水 reaches its end here. 三命通會 卷一 writes 水之不息，流入海, water that does not cease and flows into the sea, then 喜亥子，乃变化: pleased by 亥 and 子, and at that point it transforms. The entry does not say what the water becomes.