《宋书·志·卷十三》
在《夏小正》中有： 五月黄昏时大火星在正南方的天空中。 
《夏小正》： 五月昏，大火中。 
In the Xia Calendar of Xia Solstice, Mars is located in the due south of the sky at the twilight of May.
<s>[INST] Translate the following Classical Chinese text into English: 《夏小正》： 五月昏，大火中。  [/INST] In the Xia Calendar of Xia Solstice, Mars is located in the due south of the sky at the twilight of May.</s>
Translate the following Classical Chinese text into English: 《夏小正》： 五月昏，大火中。
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In the Xia Calendar of Xia Solstice, Mars is located in the due south of the sky at the twilight of May.
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