Subtitle Zero Dark Thirty -

The title of the 2012 film serves as both a literal reference to a specific military time and a metaphor for the secrecy surrounding the hunt for Osama bin Laden. Military Definition and Origins

: Military operations often begin during this window to utilize the cover of darkness and the element of surprise. Significance to the Film subtitle Zero Dark Thirty

In military slang, "Zero Dark Thirty" refers to an unspecified time in the early morning hours, typically between midnight and dawn. The title of the 2012 film serves as