A gutter interface device for facilitating hanging of Christmas lights from a gutter. The gutter interface device includes a gutter interface portion and a cord interface portion. The gutter interface portion has a main vertical member for abutting a front edge of the gutter. The gutter interface portion has a lip-engaging member integrally coupled to the main vertical member. The lip-engaging member has a first horizontal extent coupled to said main vertical member, a vertical extent and a second horizontal extent, said lip-engaging member being u-shaped for abutting three sides of a lip of a gutter.