So Pisces (02/20-03/20) is western, so we look at the Gregorian calendar, that is, the solar calendar.
Aries 03/2 14/20
Taurus 04/2 1-05/20
Gemini 05/2 1-06/20
Cancer 06/2 17/22
Leo 07/23-08/22
Virgo 08/23-09/22
Libra 09/23- 10/22
Scorpio10/23-11/22
Sagittarius11/23-12/22
Capricorn 12/23-0 1/20
Aquarius 01/21-02/19
Pisces 02/20-03/20