The original intention of the two concepts of Spring Festival and New Year comes from agriculture. In ancient times, people called the growth cycle of the valley "year". Hebe: "in the year, the grain is ripe." . During the Xia and Shang Dynasties, the Xia calendar came into being, with the full and short moon as the month, and a year was divided into twelve months. Every month, the day when the moon can't be seen is the new moon, and the first day of the first month is called the beginning of a year, also known as the year. The title of the year began in the Zhou Dynasty and was officially set in the Western Han Dynasty, which continues to this day.

However, in ancient times, the first day of the first month was called "New Year's Day". Until the victory of the Revolution of 1911 in modern China, in order to conform to the farming season and facilitate statistics, the Nanjing Provisional Government stipulated that the people would use the summer calendar, and institutions, factories, mines, schools and organizations would adopt the solar calendar, with the Gregorian calendar 1 month 1 day as New Year's Day and the first lunar month 1 day as the Spring Festival.

Extended data:

With regard to the history of the Spring Festival, there is no documentary record in ancient times, and there is no way to directly prove the origin of the ancient Spring Festival, which has led to many legends about the origin of the Spring Festival. There are several representative ones: the Spring Festival originated from La Worship's "nature" theory, the royal family dating theory, the witchcraft ceremony theory, the Ghost Festival theory, the ancient harvest sacrifice theory and the Shun theory.

Spring Festival, one of the four traditional festivals in China, is the traditional Lunar New Year. The Spring Festival is usually called "the festival of the year". Its traditional names are New Year, New Year, God, New Year, and it is also called "Chinese New Year" and "Chinese New Year" verbally. People in China have celebrated the Spring Festival for at least 4000 years. In the folk, the Spring Festival in the old traditional sense refers to the sacrificial furnace from the 23rd or 23rd or 24th of the twelfth lunar month in La Worship to the 19th of the first month. In modern times, people set the Spring Festival on the first day of the first lunar month, but generally it doesn't end until at least the fifteenth day of the first lunar month.

References:

The Origin of the Spring Festival-People's Network