diff --git a/src/services/zodiac-sign/index.ts b/src/services/zodiac-sign/index.ts
index da216fa..dcf818d 100644
--- a/src/services/zodiac-sign/index.ts
+++ b/src/services/zodiac-sign/index.ts
@@ -5,6 +5,6 @@ export const getZodiacSignByDate = (birthDate: string): string => {
     const day = date.getDate()
     const month = date.getMonth() + 1
     const zodiac =['Capricorn', 'Aquarius', 'Pisces', 'Aries', 'Taurus', 'Gemini', 'Cancer', 'Leo', 'Virgo', 'Libra', 'Scorpio', 'Sagittarius', 'Capricorn']
-    const last_day =[19, 18, 20, 20, 21, 21, 22, 22, 21, 22, 21, 20, 19]
+    const last_day =[19, 18, 20, 19, 20, 20, 22, 22, 22, 22, 21, 21]
     return (day > last_day[month - 1]) ? zodiac[month*1] : zodiac[month - 1]
 }