《元史·本纪·卷六》
冬季，十月初七，确定朝廷礼仪和朝服的颜色。
冬十月己卯，定朝仪服色。
In winter, on the 7th day of October, the etiquette and colors of court uniforms were determined.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 冬季，十月初七，确定朝廷礼仪和朝服的颜色。 [/INST] 冬十月己卯，定朝仪服色。</s>
Convert the following modern Chinese text into Classical Chinese: 冬季，十月初七，确定朝廷礼仪和朝服的颜色。
user
冬十月己卯，定朝仪服色。
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