What are the two festivals in 2020?

The two festivals in 2020 are Mid-Autumn Festival and National Day. Mid-Autumn Festival and National Day are the same year, and the dates of the two festivals overlap in history: 1944, 1963, 1982, 2001; The next overlapping years are 2020 and 2039.

National Day and Mid-Autumn Festival roughly repeat on 19. The solar calendar is calculated according to the laws of the sun and the earth. The earth goes around the sun at 365 degrees. 2422 days, that is, 365 days, 5 hours, 48 minutes and 46 seconds; The lunar calendar is measured according to the laws of the earth and the moon. According to the Chinese lunar calendar, the big month has 30 days, the small month has 29 days, and a year has 12 months * * 354 or 355 days, which is about 1 1 day less than the days in a tropical year. After four years, it is less than 1 month. Over time, there will be a strange phenomenon of time sequence and time disorder. In order to solve this problem, the method of adding "leap month" is adopted. The Mid-Autumn Festival in the lunar calendar generally occurs between September 7 and June 6 in the solar calendar 10, which leads to the calendar phenomenon that the Mid-Autumn Festival meets the National Day.