How do you say happy birthday in Japanese?

2 translations in Japanese

• tanjôbi omedetô!

  Human translation Fer 2011-12-21

• (お)たんじょびおめでと or (o)tannjyobiometeto the "o" on the beginning is optional, if you add it it will sound more formal. literally, this means congratulations on your birthday, but in japanese this is what everyone says.

  Human translation josh sherick 2011-06-07