Pagalil Oru Iravu (transl. A night in the day; also spelled Pakalil Oru Iravu) is a 1979 Indian Tamil-language film directed by I. V. Sasi, starring Vijayakumar, Sridevi, Seema and Ravikumar. It is a remake of Sasi's own Malayalam film Aalinganam (1976), also starring Sridevi. The film was released on 15 August 1979.