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

As long as anyone who knows Zhouyi knows it.

The zodiac is calculated according to the solar or lunar calendar, but the solar terms (bounded by beginning of spring).

For example, on the second day of the first month of 1982, according to the lunar calendar, it should be a dog, because it has passed the year.

But in astrology or fortune telling, it is counted as a rooster, because there is no beginning of spring on the second day of the first month, so it belongs to a rooster.

The eight-character "marriage numerology prediction" may lead to your bad fortune now and you want to improve it as soon as possible, or you want to know that your fortune will be adjusted and improved according to your friends' current situation, thus promoting your career fortune and health fortune. How to treat traditional numerology or fortune? +main Ta. O, o, \ Wei/Synchronization 2-6-4-8-6- 1-0.

The intersection of the quadratic function y=ax2+bx+c and the y axis is (0, c), because the intersection is at point (0