What is the solar term of 202 1 mango? How is the awning time fixed?

202 1 year in the lunar calendar: April 25th, 202 1 year; Gregorian calendar: Saturday, June 5, 20265438 +0, 18: 5 1.

Ear seed, the ninth solar term in the twenty-four solar terms, the third solar term in summer, and the beginning of the noon month in the trunk calendar. Finger three, the sun reaches 75? , June 5-7 in Gregorian calendar every year.

The literal meaning of awning is that wheat with awning can be harvested quickly and rice with awning can be planted, so awning is also called busy planting, which is a typical solar term reflecting agricultural phenology. The temperature of awn seeds increased obviously and the rainfall was abundant. During this period, agricultural production in most parts of China was in the busy season of summer harvest, summer sowing and Shimonoseki. How to calculate the time of the awning?

The time of the awning is not fixed, but calculated.

Because the time of awn seed is calculated according to the solar cycle. There are 365 days in a year, but the number of days and time is only a rough figure, so the time is different every year.

Calculation formula: [Y*D+C]-L

Interpretation of the formula: Y= two digits after the number of years, D=0.2422, L= leap year = y/4,21century C=5.678, and 20th century C=6.5.

For example: date of awn seed in 2088 =[88? 0.2422+5.678]-[88/4]=26-22=4, June 4th.

Exception: 1902 plus 1 day.