Edgar Allan Poe used the literary device of setting to give a dark, threatening tone in the story by using three main elements. Time of day, mood and atmosphere, and population. All to which are very effective towards the story. Time of day affects most of the story of Tell-Tale Heart, through the type of period of time the short story is based on. If it’s based on in the day people expect things that aren’t dark, but if it’s during the night you will be expecting something dark and ominous. In Edgar Allan Poe’s story there is a line that says, “And did this for seven long nights--- every night just at midnight--- but I found the eye always closed--”.(On page 538;2) This reveals on how Poe used the knowledge of not knowing someone, being the murderer, was watching the old man every night for the past seven nights straight while the old man slept in his bed. On another line on page page ___;1, Poe wrote “And now a the dead hour of the night, amid the dreadful silence of the old house, so strange a noise as this excited me to uncontrollable terror.” Meaning that after the murderer had shne out the light from the lantern and onto the old man 's eye, it was quiet in the house yet the could hear the old man’s heart beating in his ears. Revealing how insane the was. In another line that Poe wrote,” And every night, about midnight, I turned the latch on his door and opened it---oh so gently!” This quote from the story simply explains on how someone is intruding your personal