I don't really understand the question, but if you mean...
Can you come on my birthday?
then it is spelled...
Puedes venir en mi cumpleanos?
OR if you meant...
Can you come to my birthday party?
then it is spelled...
Puedes venir a mi fiesta de cumpleanos?
"Mi cumpleaños". That is how you say "my birthday".
"when is my birthday" translates to "cuando es mi cumpleaños" in Spanish.
cumpleanos
cumpleanos
Mi cumpleaños es (your birthday)
it's his birthday - "es su cumpleanos"
Cuando(when) es(its) tu(your) cumpleaños(birthday).
regalos
feliz cumpleaños
You can say "birthday party" by using the word "fiesta de cumpleaños" in Spanish.
felis cupliano's is happy birthday
Well in Spanish they say Felix complianos