"All Summer in a Day" is a science fiction short story written by Ray Bradbury. The story is set on Venus, where the sun only comes out for a brief period of time every seven years. The main character, Margot, is a young girl who remembers what the sun looks like because she lived on Earth before moving to Venus. Margot is ostracized by her classmates, who are eagerly anticipating the rare occurrence of sunshine. The story follows the events leading up to the moment when the sun finally appears, and how Margot's classmates treat her during this time. Through vivid imagery and rich characterization, Bradbury explores themes of bullying, jealousy, and the fleeting nature of happiness. "All Summer in a Day" is a poignant tale that raises questions about human nature and the consequences of our actions.