When is the sunrise on the summer solstice?

1, 202 1 Summer solstice sunrise time is: 2021June 2 1 5: 9: 19 seconds;

2. The sunset time from 202 1 summer solstice is: 2021June 21June 19: 38: 49.

3. The time in Japan and China is 202 1 year 12: 24: 04, which is the longest day.

Solstice is the earliest of the 24 solar terms. Every year on June 20th, or 2 1, or 22nd of the Gregorian calendar. In the 7th century BC, the shadow of the sun was measured by civil soil gauge, thus the summer solstice was determined.