What does cuanda es tu cumpleamos mean in spanish?

"Cuándo es tu cumpleaños" is a Spanish sentence that means "When is your birthday?"

Here's a breakdown of the words:

* Cuándo: When (interrogative adverb)

* es: is (third person singular present tense of "ser")

* tu: your (possessive pronoun)

* cumpleaños: birthday

Let me know if you have any other Spanish phrases you want to understand!