Traditional Culture Encyclopedia - The 24 Solar Terms - How many days are there in February in a normal year?
How many days are there in February in a normal year?
February is the second month of the solar year, with 28 days in a normal year and 29 days in a leap year. There are three times in history, and there are thirty days in February. In the northern hemisphere, February is the third month of winter. The solar terms in February are: beginning of spring and rain.
The methods for judging the average year are:
1. To judge whether a year is a leap year, you only need to look at the last two digits of the year. If the last two digits are divisible by 4, it is a leap year, otherwise it is not.
When the last two digits are 0, we will look at the first two digits of the year. If the first two digits are divisible by 4, it is a leap year, and vice versa.
3. If the two digits at the end of 2004 are 04, it can be directly regarded as 1 digit. If this number is divisible by 4, it is a leap year, otherwise it is not.
First, the average year:
1. A year without a leap day in the solar calendar or a leap month in the lunar calendar is called a flat year.
2. Centennial divisibility is 4, and centenary divisibility is 400, which is not divisible.
Second, leap year:
1, the leap year is established 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 the time difference is a leap year, and a leap year has 366 days.
2. Ordinary leap year: the Gregorian calendar year is a multiple of 4, which is generally a leap year.
3. Century leap year: Gregorian calendar year is an integer, and it must be a multiple of 400 to be considered a leap year.
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