Is the zodiac calculated by the solar calendar or the lunar calendar?

The zodiac is counted according to the lunar calendar.

The zodiac began in the 6th century BC and was originally applied to a set of earthly numbers. Later, according to the unique lunar calendar method in China, it became the year number of the year until today.

The zodiac is the starting point: the zodiac is determined by beginning of spring in China Gregorian calendar. The New Year is bounded by beginning of spring, beginning of spring is the first of the 24 solar terms, and the zodiac is based on beginning of spring. There are 10 dry days and 12 earthly branches between liujia concentration areas, that is, Zichou Yin Mao and Tatsumi Shen You Xu Hai at noon.

Extended data:

Generally speaking, the changes of the zodiac are calculated according to the beginning of spring in the calendar, not only according to the first day of the first month of the lunar calendar or the first day of the first month of the solar calendar, but according to the beginning of spring in the 24 solar terms.

Of course, some easy-to-learn calculation methods always calculate the zodiac according to the changes of the Spring Festival, but generally speaking, there are very few people born between two years, and even if they exist, they can view them according to their own preferences. Because in different periods in the past, there were different situations to determine the specific time of beginning of spring, China.

Baidu Encyclopedia-Zodiac