He was conceived around
When was Brad Pitt born?
He was born on Dec 18, 1963.
How accurate is this?
It's really only a rough guess based on Brad Pitt's birth date and so this calculator should only be used for curiosity. An average gestation period of 38 weeks is used to calculate the conception date.
Where did you get this information come from?
We used http://en.wikipedia.org/wiki/Brad_Pitt as a reference for Brad Pitt's birth date and then calculated the conception date based on this.
Image credit belongs to Wikipedia licensed under CC BY 2.0. Image has not been modified.