豫 · Yù — Harmonious Momentum
King Wen Sequence #16 (豫 Yù — Harmonious Momentum) embodies spring thunder rumbling forth from the awakening earth. Assigned to the Zhen Thunder Palace (震宫八卦 · Vernal Awakening) · 一世卦 (World Line 1 / Response Line 4) and resonant with Spring Equinox & Awakening Thunder (春分震木 · 惊蛰—谷雨), its six-line binary vector (000100) pairs 坤 Kun (Receptive Devotion) at the root with 震 Zhen (Awakening Initiative) at the crown.
《大象》：雷出地奮，豫。先王以作樂崇德，殷薦之上帝，以配祖考。 ｜ 《彖传》：豫，剛應而志行，順以動，豫。豫，順以動，故天地如之，而況建侯行師乎？天地以順動，故日月不過，而四時不忒；聖人以順動，則刑罰清而民服。豫之時義大矣哉！
Visual Archetype: ceremonial bronze bell and resonant drum. When Thunder (Wood) interacts with Earth (Earth), the primary strategic mandate centers on mobilizing collective enthusiasm through rhythm and vision. Its Polarity Opposite (Cuo Gua · 错卦) is #9 小畜 (Gentle Accumulation), its Overturned Inverse (Zong Gua · 综卦) is #15 谦 (Noble Humility), and its Nuclear Core (Hu Gua · 互卦) reveals #39 蹇 (Recalibrating Before Obstacles).
震宫 · 世爻第1爻 / 应爻第4爻
For decision-makers consulting 豫 (Yù) regarding mobilizing collective enthusiasm through rhythm and vision, the hexagram highlights the interplay between Earth foundation and Wood manifestation under the Wood Palace. Rather than generic haste, align execution with Spring Equinox & Awakening Thunder (春分震木 · 惊蛰—谷雨) rhythms and inspect whether your natal BaZi chart favors Wood, Wood, or Earth as its Favorable Element (喜用神).
《京氏易传》世应法：世立元士為地(京氏易傳原文:元士居世1爻,應爻隔三爻)
Six Lines Progression (六爻爻辞 · Bottom Line 1 to Top Line 6)
豫 (Yù) Line 1 [初六 · 乙未 (土) · 妻财 (土) · 世爻 World]: Germination of spring thunder rumbling forth from the awakening earth near ceremonial bronze bell and resonant drum; validate root premises before accelerating mobilizing collective enthusiasm through rhythm and vision. Single-line transformation leads to Zhi Gua #51 震 (Composure Amid Thunder).
《周易本义》：隂柔小人上有强援得時主事故不勝其豫而以自鳴凶之道也故其占如此卦之得名本為和樂然卦辭為衆樂之義爻辭除九四與卦同外皆為自樂所以有吉凶之異
豫 (Yù) Line 2 [六二 · 乙巳 (火) · 子孙 (火)]: Central lower-trigram seat anchored in ceremonial bronze bell and resonant drum; cultivate Earth craftsmanship in harmony with #39 蹇. Single-line transformation leads to Zhi Gua #40 解 (Spring Thunder Release).
《周易本义》：豫雖主樂然易以溺人溺則反而憂矣卦獨此爻中而得正是上下皆溺於豫而獨能以中正自守其介如石也其徳安靜而堅確故其思慮明審不俟終日而見凡事之幾微也大學曰安而后能慮慮而后能得意正如此占者如是則正而吉矣
豫 (Yù) Line 3 [六三 · 乙卯 (木) · 兄弟 (木)]: Threshold between 坤 Kun and 震 Zhen during Spring Equinox & Awakening Thunder (春分震木 · 惊蛰—谷雨); pace mobilizing collective enthusiasm through rhythm and vision carefully. Single-line transformation leads to Zhi Gua #62 小过 (Meticulous Precision in Details).
《周易本义》：盱況于反○盱上視也隂不中正而近於四四為卦主故六三上視於四而下溺於豫宜有悔者也故其象如此而其占為事當速悔若悔之遲則必有悔也
豫 (Yù) Line 4 [九四 · 庚午 (火) · 子孙 (火) · 应爻 Response]: Ministerial counsel within the Zhen Thunder Palace (震宫八卦 · Vernal Awakening) · 一世卦; align spring thunder rumbling forth from the awakening earth with institutional mentors. Single-line transformation leads to Zhi Gua #2 坤 (The Receptive Earth).
《周易本义》：簪側林反○九四卦之所由以為豫者也故其象如此而其占為大有得然又當至誠不疑則朋類合而從之矣故又因而戒之簪聚也又速也
豫 (Yù) Line 5 [六五 · 庚申 (金) · 官鬼 (金)]: Fulcrum of Harmonious Momentum (䷏); command mobilizing collective enthusiasm through rhythm and vision through balanced Wood and Earth synthesis. Single-line transformation leads to Zhi Gua #45 萃 (Converging Talent & Capital).
《周易本义》：當豫之時以柔居尊沈溺於豫又乗九四之剛衆不附而處勢危故為貞疾之象然以其得中故又為恒不死之象即象而觀占在其中矣
豫 (Yù) Line 6 [上六 · 庚戌 (土) · 妻财 (土)]: Culmination of spring thunder rumbling forth from the awakening earth, pivoting toward Inverse #15 谦 (Noble Humility) and Opposite #9 小畜. Single-line transformation leads to Zhi Gua #35 晋 (Sun Rising Over the Earth).
《周易本义》：渝以朱反○以隂柔居豫極為昏冥於豫之象以其動體故又為其事雖成而能有渝之象戒占者如是則能補過而无咎所以廣遷善之門也
BaZi & Plum Blossom Numerology (梅花易数) Connection
Spatial & Elemental Calibration for #16 豫: Place a ceremonial bronze bell and resonant drum motif or Wood-element accent in your workspace; cross-reference Hexagram #9 (小畜) when balancing Yin/Yang extremes.
Download Hexagram #16 (豫 Yù) 6 Changing Lines Commentary
Get line-by-line classical Yao Ci (爻辞) interpretations from bottom Line 1 (Initial) to top Line 6 (Culmination).