《旧唐书·本纪·卷十九》
八月初一为辛巳日。
八月辛巳朔。
The first day of the eighth lunar month is the day of Xinsi. 
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 八月辛巳朔。 [/INST] 八月初一为辛巳日。 Then, The first day of the eighth lunar month is the day of Xinsi. </s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 八月辛巳朔。
user
八月初一为辛巳日。 Then, The first day of the eighth lunar month is the day of Xinsi.
assistant