Subtitle Zero Dark — Thirty

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

In military slang, "Zero Dark Thirty" refers to an unspecified time in the early morning hours, typically between midnight and dawn. subtitle Zero Dark Thirty

: While often used broadly for any "ungodly hour," filmmaker Kathryn Bigelow noted that for the film, it specifically refers to 12:30 a.m. . This was the time Navy SEALs launched the actual raid on the Abbottabad compound. : Military operations often begin during this window