dìzhī

the 12 earthly branches [[子<zǐ>]], [[丑<chǒu>]], [[寅<yín>]], [[卯<mǎo>]], [[辰<chén>]], [[巳<sì>]], [[午<wǔ>]], [[未<wèi>]], [[申<shēn>]], [[酉<yǒu>]], [[戌<xū>]], [[亥<hài>]], used cyclically in the calendar and as ordinal numbers I, II etc