Add a spotlight. Increase the power of the spotlight. Move into position. Rotate the spotlight. Move to frame 100. Add a key frame by pressing I, and move to frame 160. Rotate the spotlight 360 degrees. Press I to insert key frame. Play the animation. Add a sunlight source. Change the strength to five. Ensure the animation is on frame one. Hover over the strength and press I to add key frame. Move to frame 100. Adjust the strength to zero. Hover over strength and press I to add key frame. Play the animation.