How are the specific dates of the constellations distributed? Is the date solar or lunar?

3.2 1~4. 19 Aries 4.20~5.20 Taurus 5.2 1~6.2 1 Gemini

6.22~7.22 Cancer 7.23~8.22 Leo 8.23~9.22 Virgo

9.23~ 10.22 Libra10.23 ~1kloc-0/Scorpio1kloc-0/Sagittarius.

12.22 ~1.19 Capricorn 1.20~2. 18 Aquarius 2. 19~3.20 Pisces

The twelve constellations are divided according to the birthdays of the solar calendar.