What was the constellation before Sagittarius?

The first constellation of Sagittarius is Scorpio.

The following are 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.