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Heavenly Stem 04 of 10 · 天干

丁

Ding 丁 Yin Fire Stem: Day Master Meaning, Years Ending in 7

Ding 丁 Yin Fire is stem 4 of 10; it heads animal years ending in 7 (1997, 2007, 2017, 2027), combines with Ren 壬 and clashes with Gui 癸. Apply the year boundary to January and February births.

dīng

Polarity
Yin
Phase partner
丙 Bing
A summer garden of red blossoms, a kiln, pavilion and sunlit mountains
Summer · SouthThis landscape visualises the traditional seasonal and directional correspondences of Fire. Ding's yin position is supplied by the stem itself.

Traditional Day Master reading

Ding: Gentle Fire with an illuminated interior

Ding’s classical description combines a yielding exterior with inner brightness. Its Day Master image lends itself to focused attention, thoughtful expression and care sustained through repeated small acts. The emphasis is on keeping something meaningful alight. Wood’s presence and the chart’s seasonal setting give this reading more substance than treating every Ding person as equally quiet or intense.

What stays fixed for Ding

Sequence position
4 of 10

After 丙 Bing; before 戊 Wu.

Five Combination · 五合
壬 Ren

The reciprocal partner five positions away in the stem sequence.

Four stem clashes · 天干相沖
癸 Gui

Every Ding pillar in the cycle

  1. Position 04丁卯Example year 1987
  2. Position 14丁丑Example year 1997
  3. Position 24丁亥Example year 2007
  4. Position 34丁酉Example year 2017
  5. Position 44丁未Example year 2027
  6. Position 54丁巳Example year 2037

Where 丁 is carried as a hidden stem

  1. 01

    午

    Horse · Wu

    Fire branch

    primary

    The branch’s principal interior stem

  2. 02

    未

    Goat · Wei

    Earth branch

    middle

    The second stem in the branch’s interior order

  3. 03

    戌

    Dog · Xu

    Earth branch

    residual

    The final stem in the branch’s interior order

Open the complete hidden-stem map

How Ding names all ten stem relationships

  1. 01甲JiaYang WoodIt generates the Day Master · different polarity正印Direct Resourcezhèng yìn
  2. 02乙YiYin WoodIt generates the Day Master · same polarity偏印Indirect Resourcepiān yìn
  3. 03丙BingYang FireSame phase · different polarity劫财Rob Wealthjié cái
  4. 04丁DingYin FireSame phase · same polarity比肩Friendbǐ jiān
  5. 05戊WuYang EarthDay Master generates it · different polarity伤官Hurting Officershāng guān
  6. 06己JiYin EarthDay Master generates it · same polarity食神Eating Godshí shén
  7. 07庚GengYang MetalDay Master controls it · different polarity正财Direct Wealthzhèng cái
  8. 08辛XinYin MetalDay Master controls it · same polarity偏财Indirect Wealthpiān cái
  9. 09壬RenYang WaterIt controls the Day Master · different polarity正官Direct Officerzhèng guān
  10. 10癸GuiYin WaterIt controls the Day Master · same polarity七杀Seven Killingsqī shā
Read the complete Ten Gods rule