天干:Heavenly Stems(H-S)
简写形式 全称注释
甲:1H (the first of the ten Heavenly Stems.)
乙:2H (the 2nd of the ten Heavenly Stems.)
丙:3H (the 3rd of the ten Heavenly Stems.)
丁:4H (the 4th of the ten Heavenly Stems.)
戊:5H (the 5th of the ten Heavenly Stems.)
己:6H (the 6th of the ten Heavenly Stems.)
庚:7H (the 7th of the ten Heavenly Stems.)
辛:8H (the 8th of the ten Heavenly Stems.)
壬:9H (the 9th of the ten Heavenly Stems.)
癸:10H (the last of the ten Heavenly Stems.)
地支:Earthly Branches (E-B)
子:1E (the first of the twelve Earthly Branches.)
丑:2E ( the 2nd of the twelve Earthly Branches.)
寅:3E (the 3rd of the twelve Earthly Branches.)
卯:4E (the 4th of the twelve Earthly Branches.)
辰:5E (the 5th of the twelve Earthly Branches.)
巳:6E (the 6th of the twelve Earthly Branches.)
午:7E (the 7th of the twelve Earthly Branches.)
未:8E (the 8th of the twelve Earthly Branches.)
申:9E (the 9th of the twelve Earthly Branches.)
酉:10E (the 10th of the twelve Earthly Branches.)
戌:11E (the 11th of the twelve Earthly Branches.)
亥:12E (the last of the twelve Earthly Branches.)
60干支则由它们组合而成:
如:甲子 1H-1E、乙丑 2H-2E、丙子 3H-1E、丁丑 4H-2E 等