Zi (Rat)

Earthly Branches

子、鼠

Definition

Zi is the first of the Twelve Earthly Branches, belonging to Yang Water, associated with the Rat zodiac sign, and corresponding to the Zi Hour (11:00 PM–1:00 AM). Zi Water represents winter water—cold, deep, and profound—symbolizing wisdom, agility, and latent power. In a Bazi chart, Zi Water embodies the 'Ink Pond', indicating literary talent and scholarly aptitude.

How to Find

Zi Water is identified from the Earthly Branches in the Four Pillars of Destiny. If Zi appears in the Year Branch, the native belongs to the Rat zodiac; if Zi appears in the Day Branch, the Spouse Palace is Zi Water. Zi Water is strongest during the Zi Month (lunar November).

Attributes

elementWater

yinYangYang

zodiacRat

seasonWinter

time11:00 PM–1:00 AM

Chart Meanings

Year Pillar：Zi Water in the Year Branch suggests ancestors may have engaged in cultural or commercial pursuits; the native tends to be intelligent and agile in youth.

Month Pillar：Zi Water in the Month Branch indicates intellectual strength in career matters, making academic, cultural, or scholarly professions especially suitable.

Day Pillar：Zi Water in the Day Branch implies a bright and quick-witted spouse, though their temperament may appear somewhat reserved or emotionally distant.

Hour Pillar：Zi Water in the Hour Branch suggests intelligent offspring and a rich, fulfilling spiritual life in old age.

Combinations

Zi-Chou Combination into Earth

Zi and Chou form a harmonious combination transforming into Earth, indicating successful cooperation—but whether the transformation fully occurs must be assessed contextually.

Zi-Wu Clash

Zi and Wu clash—Water versus Fire—causing instability and upheaval; caution is advised regarding cardiovascular and renal health.

Shen-Zi-Chen Triple Combination into Water

Shen, Zi, and Chen combine to form a powerful Water configuration, bestowing exceptional intelligence—yet excessive Water may lead to imbalance or overflow.

Examples

A person born on a Jia-Zi Day has Zi Water as the Direct Seal in the Day Branch, indicating a spouse who is both intelligent and culturally refined.