Don’t go out when there is clouds in the morning, but you can travel thousands of miles in sunset. This sentence is a folk proverb, which means don’t go out when there is clouds in the morning, because the weather may be bad. When there is clouds in the evening, the second time The weather will be nice today and you can travel.
Source:
Li Guangting of the Qing Dynasty's "Xiangyan Jieyi" 1: "The clouds are red air that turns into clouds. It is seen in the morning and evening, mostly in spring and summer, and in autumn and winter. There is an old proverb: "If you don't go out in the morning, the sunset will travel a thousand miles." Another saying: "The sun is blushing, and there is wind even if there is no rain."
"Xiangyan." "Xie Yi":
Compiled by Li Guangting of the Qing Dynasty, five volumes. It was written during the reign of Daoguang. It mainly records the folk customs, social customs, drama, folk arts, acrobatics and other events in Beijing and nearby areas during the Jiaqing and Daoguang years. The whole book is divided into four parts: heaven, earth, human beings, and things. Each part has detailed details, which is rarely seen in the notes of the Qing Dynasty. There is an original engraving made in the 30th year of Daoguang (1850).
Reference for the above content: Baidu Encyclopedia--Rural dialect explains Yi, don’t go out at dawn, but travel thousands of miles at sunset