The Edge of Night is a long-running American television soap opera that aired from 1956 to 1984. It follows the lives of the citizens of a fictional town called Monticello. The term 'The Edge of Night' refers to the time between DUSK and DAWN, when the sun is setting and the night is beginning. The two crossword solutions for this term are DUSK (4 letters) and DAWN (4 letters), which refer to the two times of day when the sun is setting and rising, respectively.