《新唐书·本纪·卷十·昭宗 哀帝》
二十九日，改变占卜选定的郊祭日期。
乙酉，改卜郊。
On the 29th, the suburban ceremony date selected by divination was changed.
<s>[INST] Kindly elucidate the central themes in this passage in English: 乙酉，改卜郊。 [/INST] On the 29th, the suburban ceremony date selected by divination was changed.</s>
Kindly elucidate the central themes in this passage in English: 乙酉，改卜郊。
user
On the 29th, the suburban ceremony date selected by divination was changed.
assistant