亥 Traditional form: 亥 Pinyin (reading): hài Definitions: 12th earthly branch: 9-11 p.m., 10th solar month (7th November-6th December), year of the Boar ancient Chinese compass point: 330° Characters: 亥 - 12th terrestrial branch; used in transliterations Traditional characters: 亥 - 12th terrestrial branch; used in transliterations