202 1 is the year of the ox. What year is 2022?
The establishment of leap year is to make up for the time difference between the number of days in a year and the actual period of revolution of the earth caused by man-made calendar regulations. The year to make up for the time difference is leap year. The leap year has 366 days (February 1- 1 day, 29 days, 3 1 day, 30 days, 3 1 day, 3 1 day.
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).
What is a leap year:
Leap year is a term in the Gregorian calendar. Leap years are divided into ordinary leap years and century leap years. Ordinary leap year: a year divisible by 4 but not by 100 is an ordinary leap year. (For example, 2004 is a leap year, 1999 is not);
Century leap year: the century leap year can be divisible by 400. (For example, 2000 is a century leap year, and 1900 is not a century leap year);
The establishment of leap year is to make up for the time difference between the number of days in a year and the actual period of revolution of the earth caused by man-made calendar regulations. The year to make up for the time difference is leap year. The leap year has 366 days (February 1- 1 day, 29 days, 3 1 day, 30 days, 3 1 day, 3 1 day.
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).