Does a lunar month have 30 days? What is the Lunar Calendar?

Does a lunar month have 30 days? What is the Lunar Calendar?
I believe everyone is familiar with the lunar months. So, let’s take a look at whether a lunar month has 30 days? Coming from the disastrous 2020, the arrival of the first month of the lunar calendar brings new hope to many people. Come to Shuimoxiansheng.com to check out more articles about the fortune for the first month of 2021.

Does a lunar month have 30 days?

Whether the first lunar month has thirty days depends mainly on which year the first lunar month is.
The lunar calendar time actually does not have a fixed value.
This is because the lunar calendar uses the time it takes for the moon to orbit the earth (29.53059 days) as one month, and we cannot set a 0.53059 day setting. Therefore, we set a long month to 30 days, a short month to 29 days (there is no 31 days), and a full year to 354 or 355 days. The size of the moon is different every year. Since the average number of days in a year is about 11 days less than the solar year (Gregorian calendar year), 7 leap months are set in 19 years. In a year with a leap month, there are 13 months and 383 or 384 days in a year. The leap month added after a certain month is called a leap month. According to the position of the sun, the solar year is divided into 24 solar terms to facilitate farming. The years are recorded using the combination of the Heavenly Stems and Earthly Branches, which repeat themselves every 60 years. According to legend, this calendar was created in the Xia Dynasty, so it is also called the Xia calendar.
So, whether the first lunar month has 30 days depends mainly on which year the first lunar month is.

What is the Lunar Calendar?

The lunar calendar, formerly known as the Xia calendar, is commonly known as the lunar calendar (in fact, the lunar calendar is not a pure lunar calendar). It is a practical calendar based on the waxing and waning of the moon, while taking into account the length of the tropical year. In other words, the lunar calendar is a yin-yang calendar determined by the changing process of the moon's rotation around the earth from west to east, while taking into account the length of time it takes for the earth to revolve around the sun.
The Chinese lunar calendar is designed to adapt the average calendar year to the tropical year by setting up 24 solar terms and leap months. According to the first year of the ascension of Emperor Huangdi, the ancestor of the Chinese nation, this year is the Year of the Dog 4715 in the Kaiyuan Period of the Lunar Calendar (February 16, 2018 to February 4, 2019 in the Gregorian calendar). my country's traditional calendar is 2697 years earlier than the Western calendar. The year in the traditional Chinese calendar is the Western year + 2697.

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