When is your birthday?

Kiedy masz urodziny?
When is your birthday?

W grudniu.
In December.

Naprawdę?
Really?

A ty? Kiedy masz urodziny?
And you? When is your birthday?

W styczniu.
In January.

Moja żona ma urodziny w styczniu.
My wife has got birthday in January.

Urodziny!
Birthday!

Ile masz lat?
How old are you?

Mam 50 lat
I am 50 years old

Jestem stary!
I am old!

Stary ale jary!
Old but full of life!

Sto lat!
May you live a hundred years! 

Wszystkiego najlepszego!
All the best! / Happy birthday!

Ale niespodzianka!
What a surprise!

Dzisiaj są twoje urodziny.
Today is your birthday.

Masz 50 lat.
You are 50 years old.