《宋史·本纪·卷十八》
二十日，在圆丘祭祀昊天上帝，赦免全国。
甲子，祀昊天上帝于圜丘，赦天下。
On the 20th day, the emperor sacrificed to the God of Heaven at the Yuanqiu Altar and pardoned the whole country.
<s>[INST] 用英语解释这段文言文的意思: 甲子，祀昊天上帝于圜丘，赦天下。 [/INST] On the 20th day, the emperor sacrificed to the God of Heaven at the Yuanqiu Altar and pardoned the whole country.</s>
用英语解释这段文言文的意思: 甲子，祀昊天上帝于圜丘，赦天下。
user
On the 20th day, the emperor sacrificed to the God of Heaven at the Yuanqiu Altar and pardoned the whole country.
assistant