About

Celebrate

Tired of celebrating your (true) love only on Valentine's Day? Want to celebrate with a mate, two friends or more? Birzday is the thing for you: a special shared day to celebrate with one or more people.

History

I was born on the 25th of December, a very good friend on the 25th of October the same year. It was easy to party together on the 25th of November — but with the birzday calculation, we realised we should actually celebrate on the 24th of November! This website is just a way to share that idea.

Calculation

It calculates the average birth date of a group of people: a fictive shared date of birth, the birzday. Simple, but fun. You could do it with a spreadsheet or a chatbot, but it won't be as fun as doing it here.

Creator

Cédric de Mondenard is passionate about the small things in life. Sharing good moments with friends is a priority!