Is the constellation based on the lunar birthday or the national calendar birthday?

Constellations are divided according to the Gregorian calendar (national calendar), and according to the Gregorian birthday of your birth year,

The following are the twelve constellations for your reference.

Constellation name, constellation date, constellation attribute, lucky number, lucky color,

Aries 03/2 1-04/ 19 fire signs 6, 7, bright red, blood red,

Taurus 04/20- 05/20 earth sign 1, 9, purple,

Gemini: air signs 3, 5, 7, light pink,

Cancer: water sign 8, 3, earth sign,

Fire signs 5, 9, brown, crimson,

Virgo: Earth signs 4, 8, yellow,

Libra 09/23- 10/22 air signs 6, 9, orange,

Scorpio10/23-112/water sign 3,5, dark gray, crimson,

Sagittarius11/22-121fire sign 9, black, white, gray,

Capricorn12/22-0119 earth signs 3, 7, deep red,

Aquarius 0 1/ 20- 02/ 18 air signs 4,8, golden yellow,

Pisces: Water sign 5, 8, purple.