【實用娛樂app】BirthDayWeek|最夯免費app-gigacircle

I think that there are many people who know their birthday.Do you know to what day of the week it was born?If a birth date is inputted, it will be an application which the day understands what day of the week is.How many persons of the same day-of-the-week birth are in a class or an office?In addition, if the year of the future is inputted, the day of the week of the next birthday will also be known.