One-year constellation _ one-year constellation

What's the date of birth? How old is the constellation?

Aries 3.2 1-4. 19

Taurus 4.20-5.20

Gemini 5.2 1-6.2 1

Cancer 6.22-7.22

Leo 7.23-8.22

Virgo 8.23-9.22

Libra 9.23- 10.23

Scorpio10.24-11.22

Sagittarius11.23-12.5438+0

Capricorn12.22-1.19

Aquarius 1.20-2. 18

Pisces 2. 19-3.20