■ App introduction ----------------------------------- "Rare good day notice" is A precious good day with only a few days a year (one grain ten thousand times day, heavenly day, tiger day, Da'an, snake day, Yin earth snake day) , New moon, full moon) will be notified by notification. ・ You can check each rare good day at any time on the calendar . ・ You will be notified by notification on the day of the rare good day or the day before. ・ You can also check the notification of bad days (