Are the twelve constellations calculated according to the Gregorian calendar or the lunar calendar?

Constellations are calculated according to the Gregorian calendar ~ divided into:

Aries constellation

3.2 1-4.20

Taurus constellation

4.2 1-5.2 1

Gemini

5.22-6.2 1

Cancer constellation

6.22-7.22

Le Signe du Lion

7.23-8.23

virgo

8.24-9.23

libra

9.24- 10.23

Scorpius

10.24- 1 1.22

Sagittarius

1 1.23- 12.2 1

Capricorn palace. Compare CAPRICORNUS

12.22- 1.20

Aquarius constellation

1.2 1-2. 19

fishes

2.20-3.20