《新唐书·本纪·卷五·睿宗 玄宗》
闰七月二十五日，玄宗因旱灾避离正殿，停止奏乐，减少膳食。
闰七月辛巳，以旱避正殿，彻乐，减膳。
On the 25th day of the intercalary seventh lunar month, Emperor Xuanzong, due to the drought, stayed away from the main palace, stopped playing music, and reduced his meals.