After the long summer, has the days become longer and the nights shorter in Weihai?

No. After the summer solstice, the days in Weihai are long and the nights are short.

Spring equinox and autumn equinox, the sun shines directly on the equator, and the world is equal day and night; On the solstice of winter, the phenomenon of extreme night appeared in the northern Arctic Circle. After beginning of spring, Weihai began to have long days and short nights. The rotation of the earth produces seasonal changes.

Knowledge expansion: summer solstice is the 10 of the 24 solar terms. Fighting means noon; The yellow meridian of the sun is 90 degrees; Gregorian calendar June 2 1-22. The solstice in summer is the turning point for the sun to move northward. After the summer solstice, the sun will go back, and the point of direct sunlight will move south from the Tropic of Cancer (23 26' north latitude). For the area north of the Tropic of Cancer in China, the height of the noon sun begins to decrease day by day from summer to the future. For the area south of the Tropic of Cancer in China, after the summer solstice, the height of the sun began to decrease day by day at noon after the direct sunlight came back from the south.