How many days are there in 2020? What year is it?
2020 is a leap year, the year of the rat. Its first day begins on Wednesday. This year, there are two beginning of spring in the lunar calendar 1 year because of the leap month, so it is called the double spring year.
LeapYear was established to make up for the time difference between the number of days in a year caused by man-made calendar regulations and the actual period of revolution of the earth. The year to make up for the time difference is leap year. Leap year * * * has 366 days (February is 1- 1 day, 29 days, 3 1 day, 30 days, 3 1 day, 3 1 day respectively).
Where there is a leap day in the solar calendar (February 29); Leap surplus (leap surplus). The time difference between the lunar calendar and the tropic year); Please note that leap year (a term in the Gregorian calendar) is not directly related to leap month (a term in the lunar calendar). The Gregorian calendar has only leap years and peace years, with 365 days in a normal year and 366 days in a leap year (one more day in February). There may also be leap months in a normal year (for example, 20 17 is a normal year, and there are leap months and leap months in the lunar calendar).
LeapYear was established to make up for the time difference between the number of days in a year caused by man-made calendar regulations and the actual period of revolution of the earth. The year to make up for the time difference is leap year. A leap year includes a year with a leap day or a leap month in the Gregorian calendar or the summer calendar. A leap year has 366 days.
The usual explanation is that there are many days, hours and minutes in a year, so it is unnecessary to take the integer 365. After the cumulative number reaches 24 hours a day, the year with one more day is a leap year. This explanation just tells everyone how to calculate, which is artificially set.