《金史·本纪·卷四》
四月一日，皇上从春水回到宫廷。
四月庚子朔，上至自春水。
On April 1st, the emperor returned to the palace from Chunshui.
<s>[INST] Kindly elucidate the central themes in this passage in English: 四月庚子朔，上至自春水。 [/INST] On April 1st, the emperor returned to the palace from Chunshui.</s>
Kindly elucidate the central themes in this passage in English: 四月庚子朔，上至自春水。
user
On April 1st, the emperor returned to the palace from Chunshui.
assistant