Constellation is calculated according to the solar calendar, so the birthday of the solar calendar is different every year, and the constellation is not fixed.

The solar calendar is the solar calendar and the lunar calendar is the lunar calendar. Irrelevant

Because both constellations and solar calendars come from the west, constellations are divided according to the birthdays of the solar calendar.

Compare birthdays in solar calendar with the following table:

Aries (3/2 1

-

4/20)

Taurus (4/2 1

-

5/20)

Gemini

-

6/2 1)

Cancer (June 22

-

7/22)

Leo (July 23)

-

8/22)

Virgo (August 23

-

9/22)

Libra (September 23)

-

10/22)

Scorpio (10/23

-

1 1/2 1)

Sagittarius (1 1/22

-

12/2 1)

Capricorn (12/22

-

1/ 19)

Aquarius (1/20

-

2/ 18)

Pisces (2/ 19

-

3/20)