Watashi no tanjōbi wa sen ku-hyaku ku-jū nen, jū-gatsu, jū-san nichi desu
私の誕生日は1990年10月13日です
happy birthday
"Your birthday" can be translated as "Anata no [o]tanjoubi."
'(O)tanjoubi.'
they say in october
'Otanjoubi WA itsu desu ka'.
Otanjou-bi Omedetou Gozaimasu!
'Otanjoubi WA raishuu desu.'
Yes it is.
It doesn't say when his birthday is So i'm guessing it's on October 27, 1967.
anniversaire example: Mon anniversaire est le dix Octobre, 1990
Mon anniversaire c'est le trois octobre.
Mon anniversaire est le 7 octobre.