Usually, the duration of the golden hour is around one hour (the first hour after the sunrise and the last hour before the sunset). It is the best time of day for natural photography when diffuse and warm light is desired. The timings and the duration of the golden hour depend on your location and weather conditions. In landscape photography, the warm color of the low sun is often considered desirable to enhance the colours of the scene.
This harsh lighting problem is particularly important in portrait photography, where a fill flash is often necessary to balance lighting across the subject's face or body, filling in strong shadows that are usually considered undesirable.īecause the contrast is less during the golden hour, shadows are less dark, and highlights are less likely to be overexposed. The degree to which overexposure can occur varies because different types of film and digital cameras have different dynamic ranges. In the middle of the day, the bright overhead sun can create strong highlights and dark shadows. For a location sufficiently far from the equator, the sun may not reach an altitude of 10°, and the golden hour lasts for the entire day in certain seasons. For a location closer to the Equator, the same altitude is reached in less than an hour, and for a location farther from the equator, the altitude is reached in more than one hour. In Los Angeles, California, at an hour after sunrise or an hour before sunset, the sun has an altitude of about 10–12°. The character of the lighting is determined by the sun's altitude, and the time for the sun to move from the horizon to a specified altitude depends on a location's latitude and the time of year. The hour after sunrise and before sunset is commonly referred to as the golden hour, since this is often when sunlight appears as a rich orange. The term hour is used figuratively the effect has no clearly defined duration and varies according to season and latitude. In addition, the sun's low angle above the horizon produces longer shadows. More blue light is scattered, so if the sun is present, its light appears more reddish. This is technically a type of lighting diffusion. When the sun is low above the horizon, sunlight rays must penetrate the atmosphere for a greater distance, reducing the intensity of the direct light, so that more of the illumination comes from indirect light from the sky, reducing the lighting ratio. The color temperature can also change significantly with altitude, latitude, season, and weather conditions. It tends to be around 2,000 K shortly after sunrise or before sunset, around 3,500 K during "golden hour", and around 5,500 K at midday. The color temperature of daylight varies with the time of day.
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