Píng

平, level, is the fourth officer and lands on the 巳 day of the 寅 month. 協紀辨方書 卷四 explains the step in a line: fullness gets leveled off. 淮南子, quoted in the same volume, says only that it governs birth. Other names recorded there are 死神, literally death spirit, which 卷四 ties to yang ending at this place, and 天罡 or 河魁 according to the month, which the editors call borrowed labels used to signal caution; the day is no such star.

卷十 gives two suited items, both literal: walls repaired and roads leveled. The avoid list, about fifty items of court business, household moves, building, trade and burial, is one of the longest in the volume, and a second list follows of matters left unaffected. The editors rank the day's severity just under 破 and then allow exceptions by month, so that in a 亥 month only military matters and treating illness remain. They also say that the exhaustion of qi here belongs to the school of day officers alone and is not a general ending of the seasons' qi.

選擇宗鏡 points the other way and ranks 平 with 成, 開 and 危 as the best of the twelve, and it ties 平 to 三台 and 土曲. 星厯考原 calls it unfavorable. 協紀 itself is uneven: 卷十 says the yin of the month is spent here, while a passage in 卷四 has yang ending at 平 and yin ending at 收. On this site 平 is a place in a count of twelve, worked out from the month and day branches. Where this list names illness, money or contracts, it reports the 1741 book and is no guidance; ask a doctor or another qualified person about real decisions.