the ten Heavenly Stems 甲 (jiǎ), 乙 (yǐ), 丙 (bǐng), 丁 (dīng), 戊 (wù), 己 (jǐ), 庚 (gēng), 辛 (xīn), 壬 (rén), 癸 (guǐ) (used cyclically in the calendar and as ordinal number like Roman I, II, III)
Meaning
shítiāngānshi2 tian1 gan1
the ten Heavenly Stems 甲jiǎ, 乙yǐ, 丙bǐng, 丁dīng, 戊wù, 己jǐ, 庚gēng, 辛xīn, 壬rén, 癸guǐ (used cyclically in the calendar and as ordinal number like Roman I, II, III)