What time does it get dark at night after the heat?

The summer solar term is around August 23rd in Gregorian calendar, when the sun reaches 150. Summer solar terms mean that the climate begins to cool, the sunshine decreases during the day, the temperature drops at night and the temperature difference between day and night increases. However, due to China's vast territory and different climates in different regions, the specific time of dark at night after the summer solar terms is also different.

According to the reference 1, the summer solar term of 202 1 is 5: 17 on August 23rd of Gregorian calendar. At this time, although the climate began to get cold, it was still summer. Generally speaking, it was dark around 7 o'clock every night. However, due to China's vast territory, there are sunset errors in different regions, and the specific dark time needs to be determined according to the local climate.

In a word, the summer solar term marks the beginning of cooling, but because of the different climate and geographical location in different regions, the specific time of dark at night is also different. Need to be determined according to the local climate.