day for night adverb 1noun 1 adverb1 •In the daytime, with a blue filter, causing the scene to look as if it were shot in moonlight.The Sandcrawler scene in Star Wars Episode IV: A New Hope was shot day for night. noun1 •A cinematographic technique in which a crew films in a high-contrast situation, typically in the early morning or late afternoon, with a blue filter, causing the scene to look as if it were shot in moonlight.