According to the Bamboo Annals, Jiōng ruled about 18 years, while according to the Records of the Grand Historian, he ruled about 21 years.
Menurut Sejarah Bambu, Jiōng memerintah selama sekitar 18 tahun, dan menurut Catatan Sejarah Agung, ia memerintah selama 21 tahun.