お誕たん生じょう日び は いつ です か。otanzyoubi ha itu desu ka.When is your birthday?Breakdown of otanzyoubi ha itu desu ka.ですdesuto beはhatopic particleかkaquestion particleいつituwhen(お)誕たん生じょう日び(o)tanzyoubibirthdayElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowNihon-shiki romanizationwatasi ha tyuugoku kara kimasitaHepburn romanizationwatashi wa chuugoku kara kimashita