- the fifth Heavenly Stemthe fifth of the ten Heavenly Stems; also used to represent the fifth in a series, such as the letter 'E' or the Roman numeral 'V'
- 11th earthly branch(bound form) the eleventh of the twelve Earthly Branches; refers to the time from 7 p.m. to 9 p.m., the month of October, or the year of the Dog in the Chinese zodiac.