The invention generally relates to a sunshade apparatus such as an umbrella or sunshade that includes a canopy with extendable portions that may be positioned in a manner so as to maximize shade. In exemplary embodiments, the sunshade device includes a canopy, and a rib assembly connected to a shaft, the rib assembly including a first joint coupled to a first assembly arm, the first joint connecting a first arm extension to the rib assembly at a first angle with respect to a surface, and a second joint coupled to a second assembly arm, the second joint connecting a second arm extension to the rib assembly at a second angle with respect to the surface.