Studying Night keyword in Nima's poems

In this research, we look for considering the position, significance, method of applying, and symbols of “Night” word from the viewpoint of Nima, father of Persian modern poetry. After studying and considering the history and works of this contemporary great poet, the author found many small things and thin moments. Nima, in implementing changes in Persian modern poetry and submit the method and a new way in meaning and face was successful. He looked to phenomenon and elements of around like jungle, mountain, night, sea, tree and …, penetrated into them and so he was one of them. He looked different to natural events even to the night and day. With looking at the statistics from this study in Nima’s poems, attest to this claim that the position of Nima in attention to the “Night” and its symbols is most upper among all the contemporary poets. And expresses this meaning that the “Night” in all poetry of Nima’s life continuously is present, but Whatever gets closer to the final years of his life and gains more experience, kind of the “Night” and its dark’s color and concept is different from the past.