The most common and correct way to write "happy birthday" in German is [Alles Gute zum Geburtstag](javascript:void(0)). Other common phrases include [Herzlichen Glückwunsch zum Geburtstag](javascript:void(0)) and [Alles Liebe zum Geburtstag](javascript:void(0)). The English phrase "Happy Birthday" is also widely used and accepted in German-speaking contexts. Here are some options with their usage:
- [Alles Gute zum Geburtstag](javascript:void(0)) — "All the best on your birthday"
- [Herzlichen Glückwunsch zum Geburtstag](javascript:void(0)) — "Heartfelt congratulations on your birthday"
- [Alles Liebe zum Geburtstag](javascript:void(0)) — "All love on your birthday"
- Simply "Happy Birthday" — used as is, often in casual or international contexts
You can write any of these on a birthday card or say them to someone celebrating their birthday in German-speaking countries.
