The 1990s run from Geng-Wu to Ji-Mao — opening on the Horse, the middle of the fire season, and closing on the Rabbit, the middle of spring.
| Year | Branch | Animal | Stem | Element | Polarity |
|---|---|---|---|---|---|
| 1990 | 午 Wu | Horse | 庚 Geng | Metal 金 | Yang |
| 1991 | 未 Wei | Goat | 辛 Xin | Metal 金 | Yin |
| 1992 | 申 Shen | Monkey | 壬 Ren | Water 水 | Yang |
| 1993 | 酉 You | Rooster | 癸 Gui | Water 水 | Yin |
| 1994 | 戌 Xu | Dog | 甲 Jia | Wood 木 | Yang |
| 1995 | 亥 Hai | Pig | 乙 Yi | Wood 木 | Yin |
| 1996 | 子 Zi | Rat | 丙 Bing | Fire 火 | Yang |
| 1997 | 丑 Chou | Ox | 丁 Ding | Fire 火 | Yin |
| 1998 | 寅 Yin | Tiger | 戊 Wu | Earth 土 | Yang |
| 1999 | 卯 Mao | Rabbit | 己 Ji | Earth 土 | Yin |
Every decade contains one of each of the ten stems, so the element counts below are structural rather than distinctive — each of the five elements appears exactly twice across any complete ten-year span.
Geng-Wu opens this decade with Yang metal on the fire branch that controls it. That is a structurally tense combination: the stem is the element the branch melts. Classical readings treat stem-branch pairs in opposition like this as carrying an internal argument, which is a different quality from a decade that opens on a harmonious pair.
The span runs Horse, Goat, Monkey, Rooster, Dog, Pig, Rat, Ox, Tiger, Rabbit. The two missing animals are the Dragon and the Snake — the south-east pair, and the two fire-and-earth transition branches. Nobody born in the 1990s is a Dragon or a Snake, and the same gap does not recur anywhere else in the sixty-year cycle at a ten-year offset.
The closing pair, Ji-Mao, is Yin earth on pure Yin wood — earth being controlled by the branch it sits on. So the decade both opens and closes on a stem-branch relationship of control, which is worth noting as a structural symmetry. It does not mean anything about the people born in it, and the point of mentioning it is to show how much structure a simple-looking decade table actually holds.
Practically: for 1990s births, the year branch sequence here covers all six of the harmony and clash pairs that involve those ten animals. If you are comparing a 1990s birth to a current year's branch, this table gives you the branch directly.
The year pillar is one of four. Enter a birth date to get all four pillars, the day master and the element balance.
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