Sunshine means the time of day when the sun shines, the relevant knowledge is introduced as follows:

1, the length of sunshine with the latitude and seasonal changes, and and the amount of clouds, the thickness of the clouds, and the topography is related. In summer, China's northern sunshine is long, southern sunshine is short, and the opposite is true in winter. Wang Chong in the Eastern Han Dynasty? On the Hengshu Ode" sunshine in the world, near and far, wide and narrow, it is difficult to get the measurements. South Dynasty? Liang Jianwendi "song line" fifteen quite a bit more, sunshine apricot beam early. Tang Bao Ji? The first day of the Yuan Dynasty to watch the hundred bureaucrats will be" poem sunshine gold goblet movement, the wind blowing the jade pendant shake.

2, the umbrella of the sun, "the second quarter beat the case" Volume 19 I am a nobleman in the Huaxu Kingdom, this time to a sunshine can not be, but asked me to Prime the lotus leaves to cover the body. Twenty years of witnessing the strange state of affairs," twenty years of witnessing the strange state of affairs," ninety-one sedan chair in front of a high top of the sunshine, sixteen Jiangxi governor of the ministry of the soldiers.

3, the time of day the sun shines. The length of sunshine varies with latitude and season, and is related to the amount of clouds, the thickness of clouds, and topography. In summer, northern China has long sunshine and southern China has short sunshine, and the opposite is true in winter. People's Daily Inner Mongolia has a large temperature difference between day and night, long hours of sunshine, and low and concentrated rainfall, which is conducive to the accumulation of sugar in sugar beets, and is blessed with unique natural conditions.

4, Rizhao due to "sunrise first light first light" and named. Is a prefecture-level city in Shandong Province, is located in Shandong Province, southeast of the Yellow Sea, east of the Yellow Sea and Japan, South Korea, west of Linyi City, north of Qingdao City, Weifang City, south of Lianyungang. The city has a total area of 5358.57 square kilometers, sea area of 6000 square kilometers, under the jurisdiction of Donggang District, Lanshan District, Ju County, Wulian County, 2 districts and 2 counties. 2021 the city's gross domestic product of 221.196 billion yuan, calculated on the basis of comparable prices, an increase of 6.8% over the previous year.