Is the ancient calendar lunar or solar?

The ancient calendar was the lunar calendar.

Also known as lunar calendar and yellow calendar, Chinese ancient calendars are mostly based on the combined calendar of yin and yang, and Chinese traditional festivals are calculated by lunar calendar. Up to now, most countries in the cultural circle of Chinese characters still follow the traditional festivals of the lunar calendar, such as Spring Festival, Mid-Autumn Festival, Dragon Boat Festival and Valentine's Day in China.

Lunar calendar is one of the traditional calendars in China, also known as the old calendar and the Han calendar. After the revolution of 1911, it was changed to the western solar calendar, while the modern lunar calendar belongs to the yin-yang calendar.

brief introduction

In the ancient calendar, it was calculated according to the law of the moon's revolution around the earth, that is, according to the moon's profit and loss we saw. Generally, a month is 29 or 30 days. People usually say the first day of the month, such as the tenth day of the first month.

In China's traditional calendar, the ancient calendar mainly refers to the calendar arranged according to the periodic changes of the moon phases, that is, the calendar with the first month of the lunar calendar as the basis for determining the calendar months and twelve calendar months in a year.

In the process of the development and evolution of the calendar, it combined with the 24 solar terms in the trunk calendar to form the lunar calendar, which was used to guide agricultural production scientifically. There is a difference between the lunar calendar and the lunar calendar. The traditional lunar calendar is actually a combination of yin and yang, not a traditional lunar calendar.