Ever wondered how old are you together with your friends?
And what about finding out the date, when you will together have some jubileum?
There is no better excuse to have a party than common birthday! Secret tip: The more friends you have, the more frequently you will be able to celebrate.
Just choose the jubileum you want to calculate (50, 60, 100), input the birthdays of you and your friends and receive the date of your common birthday!