Valentine: Satanic Day Poster Valentine: Satanic Day Amazon » eBay » The film "Valentine: Satanic Day" is a horror from 2010.. Valentine: Satanic Day Details Title: Valentine: Satanic DayYear: 2010Genres: Horror Rate this title Have you seen Valentine: Satanic Day? Rate it between 1 to 10 below. Log in to your account if you want to rate this title.