Is the constellation calculated according to the solar calendar? But birthdays are counted in the lunar calendar, so everyone's horoscope changes every year, doesn't it?

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

Constellation date (Gregorian calendar)

English name

Capricorn (12/22

-

1/ 19)

Capricorn palace. Compare CAPRICORNUS

Aquarius (1/20

-

2/ 18)

Aquarius constellation

Pisces (2/ 19

-

3/20)

fishes

Aries (3/2 1

-

4/20)

Aries constellation

Taurus (4/2 1

-

5/20)

Taurus constellation

Gemini

-

6/2 1)

Gemini

Cancer (June 22

-

7/22)

Cancer constellation

Leo (July 23)

-

8/22)

Le Signe du Lion

Virgo (August 23

-

9/22)

virgo

Libra (September 23)

-

10/22)

pound

Scorpio (10/23

-

1 1/2 1)

Scorpio people

Sagittarius (1 1/22

-

12/2 1)

Sagittarius

Lunar calendar and solar calendar are two completely different timing systems and cannot be confused. Constellations are divided according to the birthday of the solar calendar and remain unchanged for life.