丁亥

Ding Hai (丁亥) — Yin Fire on the Pig

A lamp reflecting on still water.

Heavenly stem: 丁 · Ding · Yin Fire
Earthly branch: 亥 · Hai · Pig
Na Yin: Earth on the Roof
Hidden stems: Ren, Jia
Hidden gods: Direct Officer, Direct Resource
Branch element: Water

Small flame above a deep pool, warm and quietly luminous.

In BaZi, the day pillar is the pillar of the self. Its heavenly stem is your Day Master — the reference point for every other character in the chart. A person born on a Ding Hai day has Ding fire as their Day Master, sitting on the 亥 (water) branch.

Personality

Ding fire is intimate; the Pig adds generosity and openness. You combine sensitivity with a surprising capacity to enjoy life, and you give warmth without being asked.

Work and vocation

Therapy, writing, design, teaching, hospitality — work where atmosphere is the product.

Relationships

Affectionate and giving. Guard against over-giving to avoid conflict.

Health and rhythm

Digestion, warmth and rest. Your energy needs refilling, not rationing.

Upcoming 丁亥 days

The sexagenary day cycle repeats every sixty days. These are the next dates that fall on Ding Hai.

2026-11-09
2027-01-08
2027-03-09
2027-05-08
2027-07-07
2027-09-05

Is this your day pillar?

You do not need to know your day pillar in advance. Enter your birth date, time and place, and the calculator works out all four pillars — then shows how your Day Master reads against the rest of the chart.

Cast your free BaZi chart

Other Ding days

All six Ding pillars share the same Day Master. For the stem on its own — its nature, strengths and blind spots — read the Ding Day Master guide.

This page is a study aid for classical BaZi symbolism, not a prediction. It describes tendencies and temperaments, not events, outcomes or dates. For medical, legal or financial decisions, consult a qualified professional.