diff --git a/pkg/models/user.go b/pkg/models/user.go
index 0067f88..a708013 100644
--- a/pkg/models/user.go
+++ b/pkg/models/user.go
@@ -616,8 +616,8 @@ func (u *User) IsBirthday() bool {
 	var (
 		now, _    = time.Parse(time.DateOnly, time.Now().Format(time.DateOnly))
 		bday, _   = time.Parse(time.DateOnly, fmt.Sprintf("%d-%d-%d", now.Year(), u.Birthdate.Month(), u.Birthdate.Day()))
-		startDate = now.Add(-36 * time.Hour)
-		endDate   = now.Add(36 * time.Hour)
+		startDate = now.Add(-6 * time.Hour)
+		endDate   = now.Add(60 * time.Hour)
 	)
 
 	return bday.Before(endDate) && bday.After(startDate)