天干 The Heavenly stems
甲 the first of the ten Heavenly stems
乙the second of the ten Heavenly stems
丙the third of the ten Heavenly stems
丁the fourth of the ten Heavenly stems
戊the fifth of the ten Heavenly stems
己the sixth of the ten Heavenly stems
庚the seventh of the ten Heavenly stems
辛the eighth of the ten Heavenly stems
壬the ninth of the ten Heavenly stems
癸the last of the ten Heavenly stems
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