The Twelve Earthly Branches — The Chart's Foundation

Twelve branches map to zodiac, elements, hours, months — and contain hidden stems within. The chart's roots are all here.

What Earthly Branches Are

If heavenly stems are 'heaven', earthly branches are 'earth' — the coordinates of every chart. The twelve are: 子, 丑, 寅, 卯, 辰, 巳, 午, 未, 申, 酉, 戌, 亥.

Each branch carries FOUR identities simultaneously:

• Zodiac: Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig
• Element: 寅卯 wood / 巳午 fire / 辰戌丑未 earth / 申酉 metal / 亥子 water
• Hour: 子 11pm-1am, 丑 1am-3am, etc. (each governs 2 hours)
• Month: 寅 month begins at Lichun (start of spring), etc.

Hidden Stems — The People Within

The deeper magic of branches: each contains 1–3 hidden stems (藏干) — the chart's root system.

For example, 寅 contains: primary 甲 wood, mid 丙 fire, residual 戊 earth. Three energies layered by strength.

Mature reading often turns on hidden stems: a transparent heavenly stem can only fully function if it has root in some earthly branch. Rootless stems are easily broken; rooted ones can carry weight.

The Month Branch Is Supreme

Among the four pillars, the month branch is the most important — classically called "月令为提纲" (month is the framework).

A 甲 wood Day Master born in 寅 month (spring) is in season — strong. Born in 申 month (autumn) — weak. Same person, different month: completely different chart climate.

So step one of any reading: look at the month.

You Are Not Just Your Zodiac

The most common misreading: treating zodiac as the whole story. "I'm a Tiger, therefore..."

Your zodiac is just one character — the year branch. The month, day, hour branches tell far more. Asking only for someone's zodiac is reading only the tip.

Next step

Read about solar terms and the month — why Lichun is the BaZi new year.