That day 23 years later.

In 2023, it will fall on May 24th of the lunar calendar and July 1 1 day of the new calendar.

In 2023, the "falling son" time is July 1 1 day, which belongs to one of the 24 solar terms in China. Sleeping refers to the last solar term in summer, indicating that the summer heat is gradually strengthening and entering the hot season of high temperature, rainy and thunderstorm. This solar term marks the official arrival of summer, and it also means that people need to pay attention to protect their bodies and avoid high temperature symptoms such as heatstroke.

Three days is a time period in Chinese traditional solar terms, which usually refers to three periods of "falling to the sun" in summer, namely "initial falling", "middle falling" and "final falling". The first autumn is usually in early July, the middle autumn is in mid-July and the last autumn is in early August. These three solar terms last about 40 days.