En dag i oktober (eng: One day in October) is a novel by Norwegian writer Sigurd Hoel, published in 1931.
The novel takes place in one day, 10 October, in an apartment building on St. Hanshaugen in Oslo.
It is, according to the Norwegian literary historian Philip Houm[1] inspired by the American writer Elmer Rice's Street Scene in the use of time and place unit.
Already in the introductory chapter the young divorced Tordis Ravn is presented, she rents a room in the house.
Tordis former husband, Dr. Ravn, is a detached scientist, who betrays his wife and their love, because he did not dare to totally commit.