Edge of Night is a long-running American television soap opera that aired from 1956 to 1984. It was set in the fictional town of Henderson, Pennsylvania and followed the lives of the citizens living there. The term Edge of Night is often used to refer to the time between TWILIGHT and nightfall, when the sky is still light but the sun has already set. The crossword solution for this term is TWILIGHT, which is the period of time between day and night when the sun is below the horizon and the sky is illuminated by indirect sunlight.