《元史·本纪·卷六》
二十八日，下诏赐给陈光日丙至元三年的历书。
甲子，诏赐光昞至元三年历。
On the 28th, an imperial decree was issued to grant Chen Guaribing the calendar for the third year of the Yuan Dynasty.
<s>[INST] Convert the following English text into Classical Chinese: On the 28th, an imperial decree was issued to grant Chen Guaribing the calendar for the third year of the Yuan Dynasty. [/INST] 甲子，诏赐光昞至元三年历。</s>
Convert the following English text into Classical Chinese: On the 28th, an imperial decree was issued to grant Chen Guaribing the calendar for the third year of the Yuan Dynasty.
user
甲子，诏赐光昞至元三年历。
assistant