Jia Zi (甲子), Yi Chou (乙丑), Bing Yin (丙寅), Ding Mao (丁卯), Wu Chen (戊辰), Ji Si (己巳), Geng Wu (庚午), Xin Wei (辛未), Ren Shen (壬申), Gui You (癸酉), Jia Xu (甲戌), Yi Hai (乙亥), Bing Zi (丙子), Ding Chou (丁丑), Wu Yin (戊寅), Ji Mao (己卯), Geng Chen (庚辰), Xin Si (辛巳), Ren Wu (壬午), Gui Wei (癸未), Jia Shen (甲申), Yi You (乙酉), Bing Xu (丙戌), Ding Hai (丁亥), Wu Zi (戊子), Ji Chou (己丑), Geng Yin (庚寅), Xin Mao (辛卯), Ren Chen (壬辰), Gui Si (癸巳), Jia Wu (甲午), Yi Wei (乙未), Bing Shen (丙申), Ding You (丁酉), Wu Xu (戊戌), Ji Hai (己亥), Geng Zi (庚子), Xin Chou (辛丑), Ren Yin (壬寅), Gui Mao (癸卯), Jia Chen (甲辰), Yi Si (乙巳), Bing Wu (丙午), Ding Wei (丁未), Wu Shen (戊申), Ji You (己酉), Geng Xu (庚戌), Xin Hai (辛亥), Ren Zi (壬子), Gui Chou (癸丑), Jia Yin (甲寅), Yi Mao (乙卯), Bing Chen (丙辰), Ding Si (丁巳), Wu Wu (戊午), Ji Wei (己未), Geng Shen (庚申), Xin You (辛酉), Ren Xu (壬戌), Gui Hai (癸亥)

Day Master Calculator

We automatically roll over to the next day when time ≥ 23:00 (solar / Li Chun rule).

Why Day Master Matters

Use this free BaZi Day Master Calculator to find your personal Day Master. It’s the foundation for identity, relationships, and career timing in Chinese metaphysics.

What is a Day Master?

The Day Master is the Heavenly Stem of your Day Pillar. It reflects your core temperament and decision style. There are ten Day Masters across the Five Elements (Yin/Yang).

Day Masters & Traits

  • Jia Wood (Yang): Upright, growth-driven.
  • Yi Wood (Yin): Adaptive, creative, resilient.
  • Bing Fire (Yang): Warm, direct, momentum builder.
  • Ding Fire (Yin): Subtle, refined, insightful.
  • Wu Earth (Yang): Stable, reliable, generous.
  • Ji Earth (Yin): Nurturing, systematic, steady.
  • Geng Metal (Yang): Strong, principled, decisive.
  • Xin Metal (Yin): Elegant, precise, strategic.
  • Ren Water (Yang): Resourceful, expansive, adaptive.
  • Gui Water (Yin): Subtle, wise, perceptive.
Do I need exact birth time?

For Day Master only, the date is the priority. Time tightens edge cases. If your birth time is uncertain, test ±2 hours or try the adjacent day if born late at night.

What do I do after I find it?

Start with your Day Master series to understand your core profile, then explore your exact pillar for deeper insights.

Ready. Enter date/time → get Day Master → open the right book.