《资治通鉴·唐纪·唐纪三十八》
建子月壬午朔，肃宗接受大臣们上朝祝贺，仪式如同正月初一。
建子月，壬午朔，上受朝贺，如正旦仪。
In the first month of the year of Jianzi, Renwu, Emperor Suzong received the New Year greetings from his ministers in the same way as he had on the first day of the first month.