How many days are there in the first lunar month of 2021? How many days are there in the big and small months of the lunar calendar?

How many days are there in the first lunar month of 2021? How many days are there in the big and small months of the lunar calendar?
Speaking of lunar months, I believe everyone is familiar with them. So, let’s take a look at how many days are there in the first lunar month of 2021? After the Spring Festival, the various festivals in the first month of the lunar calendar will soon follow. Following the 2021 first month special topic of Shuimoxiansheng.com, let’s count how many important traditional festivals and customs there are in this month.

How many days are there in the first lunar month of 2021?

There are 29 days in the first lunar month of 2021.
The time of the first month of the lunar calendar in 2021 is: the first day of the first lunar month in 2021 to the twenty-ninth day of the first lunar month in 2021. A total of 29 days.

How many days are there in the big and small months of the lunar calendar?

A long lunar month has 30 days, a short lunar month has 29 days, and there is no month with 31 days.
The lunar calendar uses the time it takes for the moon to orbit the earth (29.53059 days) as one month. The length of a lunar month is different every year, which means that the length of a lunar month is not fixed and is determined by the new and full moon phases.

What are the advantages of the lunar calendar?

1. The lunar calendar is a solar-lunar calendar that takes into account the relationship between the sun, the moon and the earth. The lunar calendar is a fixed calendar. It has the characteristics of an astronomical calendar and can correspond well to various celestial phenomena. For example, its solar terms strictly correspond to the altitude of the sun, the calendar days strictly correspond to the phases of the moon, the frequency of the occurrence and non-occurrence of leap months corresponds to the perihelion and aphelion of the earth, and other celestial phenomena such as sunrise and sunset, morning and evening shadows, the positions of the five stars, solar and lunar eclipses, tides, etc. Even the calendar months roughly correspond to the altitude of the sun.
2. The number of days in the lunar month is only 29 or 30, and it is determined by the new moon day. There is little human factor and it is not easy to change it at will;
3. The beginning of the year has a strong astronomical significance, with the astronomical significance of the yin month and yang year;
4. The Yin-Yang calendar best reflects the traditional culture of the Han nationality that believes in the unity of man and nature and the harmony of yin and yang;
5. The Ganzhi calendar and the Chinese zodiac calendar are used in a cycle; since it includes the solar terms, it is very helpful in dividing the four seasons. Since it includes the phases of the moon, it also reflects the tides, solar and lunar eclipses and other celestial phenomena and the impact of the moon on the climate.

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