Is the person born on June 23rd a constellation?

No, cancer is 6/2 1-7/22 in the solar calendar. Strictly speaking, there shouldn't be two constellations. Everyone has only one constellation, because it is limited by the date.

The following are twelve constellations for your reference:

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

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

Taurus 04/20- 0520 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 signs 5, 8, purple,