2.2 1~3.20 Pisces
3.2 1~4.20 Aries
4.2 1~5.20 Taurus
5.2 1~6.20 Gemini
6.2 1~7.20 cancer
7.2 1~8.20 Leo
8.2 1~9.20 virgo
9.2 1~ 10.20 Libra
10.21~11.20 Scorpio
11.21~12.20 Sagittarius
So it's Libra, regardless of the year of birth.