Ding Fire

Ding (丁) is the fourth of the Ten Heavenly Stems in BaZi and is Yin Fire, traditionally symbolized by candlelight and small, steady flames.

Heavenly StemYinFire 火#4 of 10

Warm
Perceptive
Steady inside
Atmosphere-sensitive
Emotionally sensitive

Ding Fire Relationships with Other Heavenly Stems

Ding Fire forms specific combination, and control relationships with other Heavenly Stems.

Heavenly Stem Combination

Ding Fire 丁Ren Water 壬Ding–Ren Combination 丁壬合

Heavenly Stem Control

Ding Fire controls Geng Metal 庚 and Xin Metal 辛 because Fire controls Metal.

Ren Water 壬 and Gui Water 癸 control Ding Fire because Water controls Fire.

Ding Fire in Earthly Branches

Ding Fire appears as a hidden stem in Wu (午), Wei (未) and Xu (戌). Wu (午) contains Ding and Ji, with Ding as its main qi; Wei (未) contains Ji, Ding and Yi, with Ding as its secondary qi; Xu (戌) contains Wu, Xin and Ding, with Ding as its secondary qi.

Ten Gods for a Ding Fire Day Master

For a Ding Fire Day Master, each Heavenly Stem forms a specific Ten God relationship based on its Five Element relationship with Ding Fire and their Yin–Yang polarity.

See how Ten Gods are calculated →

RelationshipTen GodWhy
Ding FireJia WoodDirect ResourceJia is Yang Wood and Ding is Yin Fire. Wood generates Fire, and their opposite Yin–Yang polarities make Jia Direct Resource.
Ding FireYi WoodIndirect ResourceYi is Yin Wood and Ding is Yin Fire. Wood generates Fire, and their same Yin polarity makes Yi Indirect Resource.
Ding FireBing FireRob WealthBing is Yang Fire and Ding is Yin Fire. Both share the Fire element, and their opposite Yin–Yang polarities make Bing Rob Wealth.
Ding FireDing FireFriend StarDing is Yin Fire. Another Ding shares the Day Master's element and Yin polarity, making it Friend Star.
Ding FireWu EarthHurting OfficerWu is Yang Earth and Ding is Yin Fire. Fire generates Earth, and their opposite Yin–Yang polarities make Wu Hurting Officer.
Ding FireJi EarthEating GodJi is Yin Earth and Ding is Yin Fire. Fire generates Earth, and their same Yin polarity makes Ji Eating God.
Ding FireGeng MetalDirect WealthGeng is Yang Metal and Ding is Yin Fire. Fire controls Metal, and their opposite Yin–Yang polarities make Geng Direct Wealth.
Ding FireXin MetalIndirect WealthXin is Yin Metal and Ding is Yin Fire. Fire controls Metal, and their same Yin polarity makes Xin Indirect Wealth.
Ding FireRen WaterDirect OfficerRen is Yang Water and Ding is Yin Fire. Water controls Fire, and their opposite Yin–Yang polarities make Ren Direct Officer.
Ding FireGui WaterSeven KillingsGui is Yin Water and Ding is Yin Fire. Water controls Fire, and their same Yin polarity makes Gui Seven Killings.

See How Ding Fire Appears in Your BaZi Chart

Enter your birth details to generate your BaZi chart and find out whether Ding Fire is your Day Master or appears elsewhere in the chart.

Ding Fire Day Master Traits

Work Style

Ding Fire does not burn like a large flame. It is more like a lamp that keeps going as long as it has fuel. Ding Fire Day Masters often think ahead, move step by step, and prefer steady progress over a sudden push.

Personality

Ding Fire can seem cool on the outside but warm within. They may not appear loud or forceful, yet they often have ideals, pride, and a quiet wish to turn their plans into real results.

Relationships

Their kindness is often long-term and consistent. They may support others through small actions, care, and steady presence rather than dramatic gestures.

Love Style

Ding Fire often carries romantic expectations and notices small signs of care. Their feelings may be indirect, so closer communication helps others understand what they really mean.

Under Pressure

Ding Fire may look calm most of the time, but reactions can become strong when a sensitive point is touched. Emotions are often held back first, then released all at once.

Ding Fire Day Master Blind Spots

Plans More Than It Acts

Ding Fire may think through many details, but the actual pace can be slower than expected.

Indirect Expression

They may express only one part of what they feel, so others may need more time and conversation to understand them.

Hidden Emotional Build-up

They can seem gentle or quiet, but repeated discomfort may lead to a stronger reaction later.

Ding Fire Men and Ding Fire Women

Ding Fire MenDing Fire Women

Slow-Building Affection

Ding Fire men may show interest through care, testing, and daily details rather than direct words.

Selective Spending

They are less likely to spend widely and often prefer to put money where it feels useful or meaningful.

Cool Outside, Warm Within

Ding Fire women may seem distant at first, but warmth appears with time, trust, and a sense of safety.

Focused Reactions

They may stay quiet for a while, but when something important is touched, the response can be direct and intense.

Ding Fire and Bing Fire Comparison

AspectDing FireBing Fire
Fire ImageLike candlelight or a lamp: small, focused, and lasting.Like the sun or a large flame: bright, hot, and easy to notice.
Action StylePlans first, then moves gradually with persistence.Acts fast, starts quickly, and pushes forward with force.
Helping OthersOffers steady, long-term support.Offers direct, immediate, high-energy support.
Social PresenceWarm but not overly showy, often adapting to the group.Open, active, and more likely to become the center of attention.

Sources and Classical References

This page references the following classical texts; excerpts retain the original Chinese wording.

  1. Di Tian Sui · Ding Fire · Source: Wikisource

    Original text

    丁火柔中,內性昭融,抱乙而考,合壬而忠,旺而不烈,衰而不窮,如有嫡母,可秋可冬。

  2. San Ming Tong Hui · Yin and Yang Life Cycles of the Heavenly Stems · Source: Wikisource

    Original text

    丁火繼丙之後,為萬物之精,文明之象;在天為列星,在地為燈火,謂之陰火。

  3. San Ming Tong Hui · Bing and Ding · Source: Wikisource

    Original text

    丁火屬陰,為凡火,可制萬物。

  4. The Meaning of the Five Phases · Matching People with the Five Phases · Source: Wikisource

    Original text

    受火氣多者,其性猛烈而尚禮。