Play a solar term for a long time.

Summer solstice, because in summer solstice, the day is the longest and the night is the shortest. A coordinate idiom like "forever" means a long time, which can also be understood as a long day, so "forever" means the summer solstice.

Play a solar term for a long time.

In the summer solstice, the Tropic of Cancer and its northern area, the summer solstice is the highest and longest in a year. It is also the shortest night and the longest day in a year.

Summer solstice is a very important solar term among the 24 solar terms, and it is also the season of wheat harvest.