Tǔ Wǔ Jú

Earth covers the 納音 names 路旁土, 城頭土, 屋上土, 壁上土, 大驛土 and 沙中土. A 丁 or 壬 year starts its count at 壬寅, and by 申 the stem has reached 戊, so a 命宮 at 申 is 戊申, 大驛土, which gives 土五局. The verse opens with an image of five dragons, as its way of carrying the number.

A divisor of five spreads the first days widely across the chart. The verse in 卷二 says day one at 午 and day two at 亥, and the arithmetic agrees. For day one, four is added to reach five, the quotient of one sits at 寅, and an even addition moves forward four to 午. For day two, three is added, an odd number, and the count moves back from 寅 to 亥.

Age five opens the first ten-year period here. No rule says so outright, and the figure is read from the verse's number alone. As with the other bureaus the calculator's default and its book setting disagree about which palace that first period occupies. 申 is where 長生 begins for this bureau, the same starting point as water.