Traditional Culture Encyclopedia - Almanac inquiry - Leap year every few years.
Leap year every few years.
Leap year is once every four years, that is, once every four years. Besides, it will not leap in a hundred years, and it will leap again in four hundred years. Gregorian calendar year is an integer, and it must be a multiple of 400 to be a century leap year (for example, 1900 is not a century leap year, and 2000 is a century leap year).
Leap year is once every four years, that is, once every four years. Besides, it will not leap in a hundred years, and it will leap again in four hundred years. Gregorian calendar year is an integer, and it must be a multiple of 400 to be a century leap year (for example, 1900 is not a century leap year, and 2000 is 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, which is caused by man-made calendar regulations. The year to make up for the time difference is leap year. The leap year has 366 days (1- 1 day in February, 29 days, 3 1 day, 30 days, 3 1 day, 3 1 day respectively.
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