What is the lunar calendar of 202117?

20211/September 27th of the lunar calendar, the year of happiness and ugliness,1August 898, the day of shame and ugliness, Halloween. If you want to convert the solar calendar into the lunar calendar, that is, change the solar calendar into the Gregorian calendar year, and use the mantissa of the AD year to find the corresponding one in the sky. Then, divide the year by 12, and find the corresponding earthly branch with the remainder. In this way, the year of A.D. was converted into the year of dry support.

The difference between solar calendar and lunar calendar:

1, the Gregorian calendar is equivalent to the Gregorian calendar, that is, the time required for the earth to make one revolution around the sun, which is called the tropic year in astronomy, about 365.24 days.

2. The lunar calendar is a combination of yin and yang, and the month of the lunar calendar is determined according to the cycle of the moon phase change; In order to make the average length of lunar year consistent with the tropic year, people need to add a leap month in some years, that is, leap year.

The solar calendar is the solar calendar, which is also the international Gregorian calendar. It is said that the year when Jesus was born was the first year. Since the first year of the Republic of China, China has adopted the solar calendar, which is symmetrical with the old calendar of China. The solar calendar is also called the "new calendar". The solar calendar takes one year for the earth to make a circle around the sun. ***365 days, 5 hours, 48 minutes and 46 seconds. An average year is only an integer of 365 days, not a mantissa.