In ancient times when man had not quite got round to inventing the wristwatch, the most reliable source of telling the time was the sun, moon, and stars. There seems to be several opinions of who came up with the moon planting calendar first.
Understanding how to achieve proper exposure is the fundamental key to photography. No one likes a too dark or too bright picture. That is exposure! Read this article and you'll learn how to adjust your camera to get the perfect shot.