The electromagnetic wave or light bulb from the Sun, is called sunlight. Earth's atmosphere absorbs many parts of the sunlight. Sunlight and heat reach through the atmosphere and reach the earth's surface.
It takes about 8.3 minutes to reach the sunlight on Earth from the Sun.
According to the World Meteorological Organization, the intensity of sunlight on the surface of the Earth is at least 120 watts per square meter, it can be called sunlight.
The brightness of the direct sunlight is about 93 Lumen. It has infrared, visible, and ultraviolet light rays. Bright sunlight provides approximately 100,000 candles of light in every square meter area of the Earth's surface.
The process of photosynthesis of plants is completed in the light of the sun.