How to calculate the constellation?

Constellations are calculated according to the date of the solar calendar in the year when you were born. If you use the date of the lunar calendar, you should use the perpetual calendar to check the date of the solar calendar. Just combine the date of the constellation.

Aries (03/2 1~04/20) Taurus (04/2 1~05/20)

Gemini (05/2 1~06/2 1) Cancer (06/22~07/22)

Leo (07/23~08/22) Virgo (08/23~09/22)

Libra (09/23~ 10/22) Scorpio (10/23 ~11)

Sagittarius (11/22 ~12/21) Capricorn (12/22 ~ 01/9)

Aquarius (0 1/20~02/ 18) Pisces (02/ 19~03/20)?