Days of Heaven is a 1978 film, directed by Martin Scorsese.
 An important one is the solar day, defined as the time it takes for the Sun to return to its culmination point (its highest point in the sky)
 After the test audience responded very negatively to the death of protagonist John Rambo, a Vietnam veteran, at the end of the film, the company wrote and re-shot a new ending in which the character survives

