Real age of Aaron Eckhart in The Dark Knight
In the movie The Dark Knight, Aaron Eckhart was:
39 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie The Dark Knight was released:
January 1, 2008
And the day in which Aaron Eckhart was born:March 12, 1968
Since movies usually don't take more than one year to be released since the beginning of the filming process, Aaron Eckhart may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.