It kinda pisses me off when people say its the 14th of March hahah. i mean justin کہا it himself in an interview look here -->
link آپ just have to watch till the guy starts interviewing him hahah. and yeaah Wikipedia isnt reliable.
And for people saying Justin کہا his birthday is on the 14th, why would he say his birthdays on 2 different days..? prove it.