《金史·本纪·卷十五》
十三日，是长春节。
甲申，长春节。
On the 13th, the Spring Festival was observed.
<s>[INST] Kindly elucidate the central themes in this passage in English: 甲申，长春节。 [/INST] On the 13th, the Spring Festival was observed.</s>
Kindly elucidate the central themes in this passage in English: 甲申，长春节。
user
On the 13th, the Spring Festival was observed.
assistant