Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be used to synthesize …

Dec 24, 2025 · Sunlight, solar radiation that is visible at Earth’s surface. The amount of sunlight is dependent on the extent of the daytime cloud cover. Some places on Earth receive more than 4,000 …

Calculate local times for sunrises, sunsets, meridian passing, Sun distance, altitude and twilight, dusk and dawn times.

Aug 1, 2025 · While there are many good reasons to get some sunlight, it’s important to understand that the sun emits UV radiation. This radiation can penetrate the skin and damage cell DNA, which can …

Feb 20, 2025 · Sunlight provides vitamin D, boosts mood and aids in sleep. Recommendations vary, but just 10 to 30 minutes of sun exposure on bare skin will do the trick.

Jun 21, 2024 · Did you know sunlight can improve mood, lower blood pressure, and boost immunity? Read about the benefits of sunlight and tricks for getting more sun safely.

2 days ago · Find sunrise and sunset times for any location in the U.S. or Canada. Also learn the length of day, as well as the times of transit and astronomical, nautical, and civil twilight.

Aug 5, 2021 · From the greenest of plants to our enormous solar panels, humans use sunlight every day as a source of energy and life. However, we also need sunlight directly to maintain good health.

May 24, 2025 · Eastern states generally receive less sunlight than their western counterparts, with the exceptions of Florida and, to a lesser extent, South Carolina, which are southern states known for …

Just like there are sounds that humans can’t hear, most of the ‘colors’ of light that the Sun sends out cannot be seen by humans. What we can see with our eyes is called visible light. It is made up of all …