Lunar calendar: the second day of the twelfth lunar month.
Cao Mingrui, Cao Boyun, Cao Hande, Cao Yijun, Cao Zecheng, Cao Xiunan, Cao Weiao, Cao Cao, Cao Lunzhe, Cao Baifu, Cao Zhelong, Cao Binjie, Cao Han Hong, Cao Jinjie, Cao Haoxiu, Cao Haichen, Cao Hanyuan, Cao Weikun, Cao Baiyu, Cao Hongying, Cao Zhihao and Cao Zefan.