Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is filtered through Earth's atmosphere, and is obvious as Sunlight takes about minutes to reach Earth from the surface of the Sun. A photon starting at the center of the Sun and. 18 Dec To understand how light travels from the sun to the Earth, you have to understand what light is. Light is an electromagnetic wave--a wave of electric and. 2 Jan How long does it take for the light from the sun to reach the Earth, and The sun's light takes about 8 minutes to reach the Earth after it has. How Long Does It Take Sunlight to Reach Earth?