Is the solar calendar fast or slow?
The solar calendar is very fast.
The solar calendar is faster than the lunar calendar, because the solar calendar is calculated according to the period of the earth's revolution around the sun, which is about 365 days and 5 hours. The lunar calendar is not a pure lunar calendar, but a combination of yin and yang. Lunar calendar refers to the period of the moon's revolution around the earth, which is about 29 days 12 hours, and only 354 days in a year 12 months. In order to correspond to the solar calendar, a leap month was set up.
Because the Gregorian calendar has thirty days and thirty-one days every month, only February has twenty-eight days in leap years and twenty-nine days in leap years. The lunar calendar is twenty-nine days and thirty days each month, with a difference of one or two days each month and about eleven days in a year, so the lunar calendar is slower than the solar calendar.
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The origin of the solar calendar:
The earliest source of Gregorian calendar can be traced back to the Gregorian calendar in ancient Egypt. They found that the Nile began to flood fifty or sixty days after Sirius first rose with the sun, so they regarded this day as the first day of the year. The ancient Egyptians originally set a year as 360 days, and later changed it to 365 days. This is the earliest solar calendar.
Later, according to the flood law of the Nile, they divided the year into three seasons, then divided the year into 12 months, with 30 days in each month and the remaining five days as festivals.
What is the lunar calendar and what is the solar calendar?
The lunar calendar is a traditional calendar in China, also known as the summer calendar, the Chinese calendar, the Korean calendar and the Chinese calendar.
The solar calendar, also known as the solar calendar, is a calendar based on the movement cycle of the earth around the sun.
The calendar year of the solar calendar is approximately equal to the tropic year, and a year is 12 months. This "month" has nothing to do with the first lunar month.
The month and date of the solar calendar are very consistent with the position of the sun on the ecliptic. According to the date of the solar calendar, we can clearly see the changes of cold and warm seasons in a year. But every month, you can't see the new moon, the new moon and the new moon.
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From the era of ancient cadres and branches to the opening of the western calendar in the late Qing Dynasty, there were 65,438+002 calendars in the history of China, which had a great influence on the culture and civilization of China.
For example, official calendar, Xia calendar, Shang calendar, Zhou calendar, Tai Chu calendar of Western Han Dynasty, San Tong calendar, Emperor calendar of Sui Dynasty and Dayan calendar of Tang Dynasty, etc. Although some calendars are not officially used, they have played a role in medical care, medicine, ideological and academic research, astronomy, mathematics and so on.
The ancients observed the movement law of astronomical phenomena, and in ancient times, they adopted the chronology of dry branches and branches. According to Wan Mingying, a historian of Ming Dynasty, it was invented when the dry branch was determined as the dry branch of the emperor according to the clear records of ancient documents in China. The invention of the trunk marks the emergence of the most primitive calendar, which is used to calculate the age with numbers.
Baidu encyclopedia-solar calendar
Baidu encyclopedia-lunar calendar
How to distinguish between lunar calendar and lunar calendar?
How to distinguish the lunar calendar from the solar calendar?
Many people don't know how to distinguish the solar calendar from the lunar calendar in their lives, and they don't know what this means. I feel very puzzled. Let's first look at the information about how to distinguish the lunar calendar in the lunar calendar. Let's have a look.
How to distinguish 1 from the lunar calendar?
Lunar calendar and lunar calendar have the same meaning, while solar calendar and Gregorian calendar have the same meaning. The differences are as follows:
First of all, the time is different
1, Lunar calendar: The lunar calendar takes the orbit of the moon around the earth as a cycle, 1 month ≈30.4369 days, 30 days for the big month and 29 days for the small month, and adopts the method of adding leap months to make the average number of days in each year close to the solar calendar to adjust the four seasons. There is a leap month in the summer calendar about every two or three years.
2. Gregorian calendar: The earth's cycle around the sun is 1 year ≈365.2422 days. A year is divided into 12 months, big month 3 1 day, small month 30 days, and February only has 28 days. The mantissa of four years totals 1 day, and February of the fourth year is added. This year's February has 29 days.
Second, the calculation method is different.
1, Lunar Calendar: In astronomy, it mainly refers to the calendar arranged according to the moon phase cycle, which is calculated by the moon circling the earth once.
2. Gregorian calendar: the month and date of Gregorian calendar are very consistent with the position of the sun on the ecliptic. According to the date of the Gregorian calendar, we can clearly see the changes of cold and warm seasons in a year; But every month, you can't see the new moon, the new moon and the new moon.
Third, the sources are different.
1, Lunar calendar: Lunar calendar is the movement law of ancient people in China to observe astronomical phenomena. In ancient times, the era of dry branches was adopted. According to Wan Mingying, a historian of Ming Dynasty, it was invented when the dry branches were determined to be used by the emperor according to the clear records in the ancient documents of China, and it was recorded in detail in his book "Three Rings". The invention of the trunk marks the emergence of the most primitive calendar, which is used to calculate the age with numbers.
2. Gregorian calendar: The earliest source of Gregorian calendar can be traced back to the Gregorian calendar of ancient Egypt. The Nile is the lifeblood of Egypt, and it is precisely because of the need to calculate the flood cycle of the Nile that astronomy and solar calendar in ancient Egypt came into being.
7000 years ago, they observed that after Sirius first rose at the same time as the sun, the Nile began to flood in 50 or 60 days, so they took this day as the beginning of the year and calculated that it was July 19. The first year was set at 360 days, and later it was changed to 365 days. This is the first solar calendar in the world.
Baidu encyclopedia-lunar calendar
Baidu encyclopedia-solar calendar
How to distinguish the lunar calendar from the solar calendar II
After the Revolution of 1911, China began to introduce the western Gregorian calendar, commonly known as "solar calendar" and "new calendar", with names corresponding to the original calendar in China. After the founding of New China, the Gregorian calendar was officially adopted.
The lunar calendar is also called the lunar calendar, which is mainly based on the law of the moon's revolution around the earth.
A month in the lunar calendar is called a "new moon". The first day of each month is a new moon, and the fifteenth day is a new moon. The "new moon" is the average period of the moon's profit and loss. That's what the so-called "the moon is full of rain or shine" means.
Many people think that the lunar calendar is the lunar calendar, but there are still differences between the two. In fact, the ancient calendar is a kind of lunar calendar, which is mainly based on the lunar calendar, but it also takes into account the laws of the sun's activities, so strictly speaking, it should be a kind of lunar calendar. The unique 24 solar terms in China calendar are an important reference for agricultural production, so people also call the lunar calendar "lunar calendar".
The lunar calendar is based on the laws of the moon, and the solar calendar is based on the laws of the sun. Because the cycles of the sun and the moon can't match, there is a difference of about eleven days between the lunar calendar and the solar calendar every year.
If we completely follow the lunar calendar, we will celebrate the Spring Festival in summer in less than fifteen years.
However, this did not happen, because there is a great invention in China's calendar called "leap determination method", which sets 7 leap months every 19 years, and the year with leap months is 383 days or 384 days, which is called leap year. For example, 20 16 and 2020 are leap years.
Traditional festivals in China are all set according to the lunar calendar.
Nowadays, people belonging to the Han cultural circle still celebrate Spring Festival, Lantern Festival, Tomb-Sweeping Day, Dragon Boat Festival, Mid-Autumn Festival and other festivals every year.
It fills the time difference between the lunar calendar and the solar calendar by leap method, and makes use of the laws of the solar calendar to formulate the 24 solar terms for arranging farming.
In the time series of the lunar calendar, people's lives are more harmonious and consistent, and spring ploughing and autumn harvest are also proceeding in an orderly manner.
The lunar calendar in which the sun and the moon coincide is actually more practical than other calendars. It is not only a calendar, but also the embodiment of China people's life experience and wisdom for thousands of years.
How to distinguish the lunar calendar from the solar calendar?
What is the solar calendar?
The solar calendar is also called the solar calendar, and the calendar decided by the sun is the chronology of the earth's orbit around the sun, which is 1 year ≈365.2422 days.
This is a calendar based on the period of the earth's movement around the sun.
According to the date of the solar calendar, we can know the changes of the four seasons, but it can't show the fullness and transience of the moon, which is very inconvenient for people who need to know the tidal changes according to the phases of the moon.
The Gregorian calendar, which is popular in the world today, is a kind of solar calendar. It takes a tropical year as a year and then divides it into twelve months, which is called the solar calendar, that is, the solar calendar.
It is made by westerners, and people in Hongkong and Taiwan Province also call it the western calendar.
What is the lunar calendar?
Lunar calendar, the calendar in which the moon has the final say, and the chronology with the moon circling the earth as the cycle, 65438+ 10 ≈30.4369 days.
In astronomy, it mainly refers to the calendar arranged according to the moon phase cycle, in which the moon orbits the earth once.
It doesn't consider the annual apparent motion law of the sun at all, so the date of the lunar calendar can't show the changes of the four seasons.
Lunar calendar is one of the traditional calendars in China, also known as lunar calendar, ancient calendar, Han calendar, yellow calendar, summer calendar and old calendar.
The difference between solar calendar and lunar calendar
The so-called lunar calendar and solar calendar are two different calendar calculations, and their reference objects are different.
People often say that the lunar calendar is based on the moon. People call the time when the moon revolves around the earth "lunar month", and its period is about 29.53 days. For the convenience of conversion, the big month is 30 days and the small month is 29 days.
The solar calendar is based on the sun, and the time for the earth to go around the sun is called the "solar year", which is about 365.25 days. It is divided into 12 months, and each month is about 30.44 days.
Because the moon is closer to the earth, it is easy to observe. Therefore, in ancient times, the "lunar calendar" was more widely used, such as eight-character fortune telling, looking at the sky when getting married and building a house, and the calendar of the old yellow calendar was based on the "lunar calendar".
In the folk, birthdays are basically based on the "lunar calendar", especially in rural areas, birthdays are basically calculated according to the lunar calendar; People in cities prefer birthdays in the solar calendar, but in modern times, they don't pay much attention to birthdays. Even the birthdays of the lunar and solar calendars should be celebrated.
The lunar calendar is very important, but the solar calendar is not without its merits. Like us, the 24 solar terms are divided according to the solar calendar.
The revolution of the earth around the sun is 360 degrees, which is divided into 24 parts on average, each of which is 15 degrees. So every revolution of the earth is 15 degrees, which is a solar term.
Careful friends may observe that the time difference between the lunar calendar and the solar calendar is about eleven days each year. If calculated completely according to the lunar calendar, we will celebrate the Spring Festival in summer in less than five years. However, this did not happen. This is a calendar calculation method of "harmony between yin and yang" initiated by our clever ancients, that is, "Yin-Yang calendar", which is what we often call "lunar calendar"!
How to distinguish the solar calendar from the lunar calendar
The differences between the lunar calendar and the solar calendar are as follows:
1. The solar calendar is calculated according to the period of the earth's revolution around the sun, with 365.2425 days in a year, 365 days in a normal year and 366 days in a leap year. Leap years occur every four years, and there is a rule that any year divisible by 4 is a leap year. The lunar calendar is calculated according to the period of the moon's revolution around the earth, and there are 354 days in a year. In February of the lunar calendar, the average year is 28 days and the leap year is 29 days. Because there is a ten-day difference between the solar calendar and the lunar calendar, every few years, the lunar calendar will be supplemented by leap months. There is another month in the leap month of the lunar calendar. For example, April of this year's lunar calendar is a leap month.
2. The number of days in each month is different. Gregorian calendar has 30 or 3 1 day every month, and only February has 28 or 29 days. There are 29 or 30 days in the lunar calendar every month.
3, the name is different. The solar calendar is generally called "when", for example, today is "65438+ 10/2 1", and the lunar calendar is called "when", for example, today is "the tenth day of September".
Is the ID card from the moon or the sun?
The date of birth on the ID card is written in the lunar or solar calendar. Many rural people are born in the lunar calendar, and the hospital will give them a birth certificate with the solar calendar written on it. When registering their ID cards, they will also write the solar calendar.