《宋书·志·卷十二》
到元和二年又使用了《四分历》。
至元和二年，复用《四分历》。
The "Four-point Calendar" was used again in the second year of Yuanhe.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 至元和二年，复用《四分历》。 [/INST] The "Four-point Calendar" was used again in the second year of Yuanhe.</s>
Explain the meaning of this Classical Chinese passage in English: 至元和二年，复用《四分历》。
user
The "Four-point Calendar" was used again in the second year of Yuanhe.
assistant