Is the lunar birthday based on the solar or lunar calendar? Is the lunar calendar the same as the lunar calendar?

Is the lunar birthday based on the solar or lunar calendar? Is the lunar calendar the same as the lunar calendar?
The lunar calendar, as my country's traditional calendar, is an important part of our country's traditional culture. Want to know more about the lunar calendar? Then click on Mr. Shui Mo's website to view other related content.

Is the lunar birthday based on the solar or lunar calendar?

The lunar birthday is neither the solar calendar nor the lunar calendar, but a "combined solar and lunar calendar".
The lunar calendar is China's traditional calendar. It is based on the changing cycle of the moon phases. Each lunar phase lasts for one month, and the solar year is divided into 24 sections, forming the 24 solar terms.
The lunar calendar is not the lunar calendar, but a yin-yang calendar that is formed by combining the lunar calendar with the solar calendar by referring to the solar year and setting leap months to make the average calendar year consistent with the tropical year.
The lunar calendar year is divided into ordinary years and leap years. An ordinary year has twelve months, and a leap year has thirteen months. Months are divided into long months and short months. Long months have thirty days, and short months have twenty-nine days. The average calendar month is equal to one synodic month.

What is the Gregorian calendar?

The Gregorian calendar is the solar calendar, which is based on the movement period of the Earth's revolution around the sun. The solar calendar year is approximately equal to the tropical year, with 12 months and no relation to the synodic month.
The months and dates of the Gregorian calendar are in good agreement with the position of the sun on the ecliptic. Based on the dates of the Gregorian calendar, the changes in temperature between the four seasons can be clearly seen throughout the year. However, in each month, the new moon, full moon and quarter moon cannot be seen.
The Gregorian calendar used in the world today is a solar calendar. A common year has 365 days, a leap year has 366 days, and there is a leap year every four years. The leap year is reduced every hundred years and will come again in the 400th year, i.e. there are 97 leap years in every 400 years. The average length of the Gregorian calendar year differs from the tropical year by only 26 seconds, which means it takes 3,300 years to make a difference of one day.
What is the lunar calendar?
The lunar calendar is one of the traditional Chinese calendars. It refers to a calendar arranged according to the changes in the lunar phases. That is, the new and full moons are used as the basis for determining the calendar months, and a year is a calendar with twelve calendar months.
The basis for determining the month in the lunar calendar is the movement of the moon: the orbit of the moon is called the ecliptic. The ecliptic and the ecliptic are both large circles on the celestial body, intersecting obliquely at an angle of 5 degrees and 9 minutes. The moon orbits the earth once, appearing and disappearing on the ecliptic twice, and it takes 27 days, 7 hours, 43 minutes, 11 and a half seconds (27.32 days), which is the time required for the moon to revolve once, and is called the "sidereal month." However, when the moon orbits the earth, the position of the earth also changes due to its revolution around the sun, moving forward more than 27 degrees, while the moon moves 13 degrees and 15 minutes every day. Therefore, it takes 29 days, 12 hours, 44 minutes, 2.8 seconds (29.53 days) for the moon to orbit the earth from the new moon to the new moon. This is called the "synodic month". The so-called month in custom refers to the synodic month.

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